net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <linux/slab.h>
  13 #include <net/net_namespace.h>
  14 #include <linux/rcupdate.h>
  15 #include <linux/if_ether.h>
  16 #include <net/cfg80211.h>
  17 #include "ieee80211_i.h"
  18 #include "driver-ops.h"
  19 #include "cfg.h"
  20 #include "rate.h"
  21 #include "mesh.h"
  22
  23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
  24                                                 const char *name,
  25                                                 enum nl80211_iftype type,
  26                                                 u32 *flags,
  27                                                 struct vif_params *params)
  28 {
  29         struct ieee80211_local *local = wiphy_priv(wiphy);
  30         struct wireless_dev *wdev;
  31         struct ieee80211_sub_if_data *sdata;
  32         int err;
  33
  34         err = ieee80211_if_add(local, name, &wdev, type, params);
  35         if (err)
  36                 return ERR_PTR(err);
  37
  38         if (type == NL80211_IFTYPE_MONITOR && flags) {
  39                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
  40                 sdata->u.mntr_flags = *flags;
  41         }
  42
  43         return wdev;
  44 }
  45
  46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
  47 {
  48         ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
  49
  50         return 0;
  51 }
  52
  53 static int ieee80211_change_iface(struct wiphy *wiphy,
  54                                   struct net_device *dev,
  55                                   enum nl80211_iftype type, u32 *flags,
  56                                   struct vif_params *params)
  57 {
  58         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  59         int ret;
  60
  61         ret = ieee80211_if_change_type(sdata, type);
  62         if (ret)
  63                 return ret;
  64
  65         if (type == NL80211_IFTYPE_AP_VLAN &&
  66             params && params->use_4addr == 0)
  67                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
  68         else if (type == NL80211_IFTYPE_STATION &&
  69                  params && params->use_4addr >= 0)
  70                 sdata->u.mgd.use_4addr = params->use_4addr;
  71
  72         if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
  73                 struct ieee80211_local *local = sdata->local;
  74
  75                 if (ieee80211_sdata_running(sdata)) {
  76                         /*
  77                          * Prohibit MONITOR_FLAG_COOK_FRAMES to be
  78                          * changed while the interface is up.
  79                          * Else we would need to add a lot of cruft
  80                          * to update everything:
  81                          *      cooked_mntrs, monitor and all fif_* counters
  82                          *      reconfigure hardware
  83                          */
  84                         if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
  85                             (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
  86                                 return -EBUSY;
  87
  88                         ieee80211_adjust_monitor_flags(sdata, -1);
  89                         sdata->u.mntr_flags = *flags;
  90                         ieee80211_adjust_monitor_flags(sdata, 1);
  91
  92                         ieee80211_configure_filter(local);
  93                 } else {
  94                         /*
  95                          * Because the interface is down, ieee80211_do_stop
  96                          * and ieee80211_do_open take care of "everything"
  97                          * mentioned in the comment above.
  98                          */
  99                         sdata->u.mntr_flags = *flags;
 100                 }
 101         }
 102
 103         return 0;
 104 }
 105
 106 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 107                                       struct wireless_dev *wdev)
 108 {
 109         return ieee80211_do_open(wdev, true);
 110 }
 111
 112 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 113                                       struct wireless_dev *wdev)
 114 {
 115         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 116 }
 117
 118 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 119                                   struct net_device *dev,
 120                                   u16 noack_map)
 121 {
 122         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 123
 124         sdata->noack_map = noack_map;
 125         return 0;
 126 }
 127
 128 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 129                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 130                              struct key_params *params)
 131 {
 132         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 133         struct sta_info *sta = NULL;
 134         struct ieee80211_key *key;
 135         int err;
 136
 137         if (!ieee80211_sdata_running(sdata))
 138                 return -ENETDOWN;
 139
 140         /* reject WEP and TKIP keys if WEP failed to initialize */
 141         switch (params->cipher) {
 142         case WLAN_CIPHER_SUITE_WEP40:
 143         case WLAN_CIPHER_SUITE_TKIP:
 144         case WLAN_CIPHER_SUITE_WEP104:
 145                 if (IS_ERR(sdata->local->wep_tx_tfm))
 146                         return -EINVAL;
 147                 break;
 148         default:
 149                 break;
 150         }
 151
 152         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 153                                   params->key, params->seq_len, params->seq);
 154         if (IS_ERR(key))
 155                 return PTR_ERR(key);
 156
 157         if (pairwise)
 158                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 159
 160         mutex_lock(&sdata->local->sta_mtx);
 161
 162         if (mac_addr) {
 163                 if (ieee80211_vif_is_mesh(&sdata->vif))
 164                         sta = sta_info_get(sdata, mac_addr);
 165                 else
 166                         sta = sta_info_get_bss(sdata, mac_addr);
 167                 /*
 168                  * The ASSOC test makes sure the driver is ready to
 169                  * receive the key. When wpa_supplicant has roamed
 170                  * using FT, it attempts to set the key before
 171                  * association has completed, this rejects that attempt
 172                  * so it will set the key again after assocation.
 173                  *
 174                  * TODO: accept the key if we have a station entry and
 175                  *       add it to the device after the station.
 176                  */
 177                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 178                         ieee80211_key_free_unused(key);
 179                         err = -ENOENT;
 180                         goto out_unlock;
 181                 }
 182         }
 183
 184         switch (sdata->vif.type) {
 185         case NL80211_IFTYPE_STATION:
 186                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 187                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 188                 break;
 189         case NL80211_IFTYPE_AP:
 190         case NL80211_IFTYPE_AP_VLAN:
 191                 /* Keys without a station are used for TX only */
 192                 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
 193                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 194                 break;
 195         case NL80211_IFTYPE_ADHOC:
 196                 /* no MFP (yet) */
 197                 break;
 198         case NL80211_IFTYPE_MESH_POINT:
 199 #ifdef CONFIG_MAC80211_MESH
 200                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 201                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 202                 break;
 203 #endif
 204         case NL80211_IFTYPE_WDS:
 205         case NL80211_IFTYPE_MONITOR:
 206         case NL80211_IFTYPE_P2P_DEVICE:
 207         case NL80211_IFTYPE_UNSPECIFIED:
 208         case NUM_NL80211_IFTYPES:
 209         case NL80211_IFTYPE_P2P_CLIENT:
 210         case NL80211_IFTYPE_P2P_GO:
 211                 /* shouldn't happen */
 212                 WARN_ON_ONCE(1);
 213                 break;
 214         }
 215
 216         err = ieee80211_key_link(key, sdata, sta);
 217
 218  out_unlock:
 219         mutex_unlock(&sdata->local->sta_mtx);
 220
 221         return err;
 222 }
 223
 224 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 225                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 226 {
 227         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 228         struct ieee80211_local *local = sdata->local;
 229         struct sta_info *sta;
 230         struct ieee80211_key *key = NULL;
 231         int ret;
 232
 233         mutex_lock(&local->sta_mtx);
 234         mutex_lock(&local->key_mtx);
 235
 236         if (mac_addr) {
 237                 ret = -ENOENT;
 238
 239                 sta = sta_info_get_bss(sdata, mac_addr);
 240                 if (!sta)
 241                         goto out_unlock;
 242
 243                 if (pairwise)
 244                         key = key_mtx_dereference(local, sta->ptk);
 245                 else
 246                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 247         } else
 248                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 249
 250         if (!key) {
 251                 ret = -ENOENT;
 252                 goto out_unlock;
 253         }
 254
 255         ieee80211_key_free(key, true);
 256
 257         ret = 0;
 258  out_unlock:
 259         mutex_unlock(&local->key_mtx);
 260         mutex_unlock(&local->sta_mtx);
 261
 262         return ret;
 263 }
 264
 265 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 266                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 267                              void *cookie,
 268                              void (*callback)(void *cookie,
 269                                               struct key_params *params))
 270 {
 271         struct ieee80211_sub_if_data *sdata;
 272         struct sta_info *sta = NULL;
 273         u8 seq[6] = {0};
 274         struct key_params params;
 275         struct ieee80211_key *key = NULL;
 276         u64 pn64;
 277         u32 iv32;
 278         u16 iv16;
 279         int err = -ENOENT;
 280
 281         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 282
 283         rcu_read_lock();
 284
 285         if (mac_addr) {
 286                 sta = sta_info_get_bss(sdata, mac_addr);
 287                 if (!sta)
 288                         goto out;
 289
 290                 if (pairwise)
 291                         key = rcu_dereference(sta->ptk);
 292                 else if (key_idx < NUM_DEFAULT_KEYS)
 293                         key = rcu_dereference(sta->gtk[key_idx]);
 294         } else
 295                 key = rcu_dereference(sdata->keys[key_idx]);
 296
 297         if (!key)
 298                 goto out;
 299
 300         memset(&params, 0, sizeof(params));
 301
 302         params.cipher = key->conf.cipher;
 303
 304         switch (key->conf.cipher) {
 305         case WLAN_CIPHER_SUITE_TKIP:
 306                 iv32 = key->u.tkip.tx.iv32;
 307                 iv16 = key->u.tkip.tx.iv16;
 308
 309                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 310                         drv_get_tkip_seq(sdata->local,
 311                                          key->conf.hw_key_idx,
 312                                          &iv32, &iv16);
 313
 314                 seq[0] = iv16 & 0xff;
 315                 seq[1] = (iv16 >> 8) & 0xff;
 316                 seq[2] = iv32 & 0xff;
 317                 seq[3] = (iv32 >> 8) & 0xff;
 318                 seq[4] = (iv32 >> 16) & 0xff;
 319                 seq[5] = (iv32 >> 24) & 0xff;
 320                 params.seq = seq;
 321                 params.seq_len = 6;
 322                 break;
 323         case WLAN_CIPHER_SUITE_CCMP:
 324                 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
 325                 seq[0] = pn64;
 326                 seq[1] = pn64 >> 8;
 327                 seq[2] = pn64 >> 16;
 328                 seq[3] = pn64 >> 24;
 329                 seq[4] = pn64 >> 32;
 330                 seq[5] = pn64 >> 40;
 331                 params.seq = seq;
 332                 params.seq_len = 6;
 333                 break;
 334         case WLAN_CIPHER_SUITE_AES_CMAC:
 335                 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
 336                 seq[0] = pn64;
 337                 seq[1] = pn64 >> 8;
 338                 seq[2] = pn64 >> 16;
 339                 seq[3] = pn64 >> 24;
 340                 seq[4] = pn64 >> 32;
 341                 seq[5] = pn64 >> 40;
 342                 params.seq = seq;
 343                 params.seq_len = 6;
 344                 break;
 345         }
 346
 347         params.key = key->conf.key;
 348         params.key_len = key->conf.keylen;
 349
 350         callback(cookie, &params);
 351         err = 0;
 352
 353  out:
 354         rcu_read_unlock();
 355         return err;
 356 }
 357
 358 static int ieee80211_config_default_key(struct wiphy *wiphy,
 359                                         struct net_device *dev,
 360                                         u8 key_idx, bool uni,
 361                                         bool multi)
 362 {
 363         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 364
 365         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 366
 367         return 0;
 368 }
 369
 370 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 371                                              struct net_device *dev,
 372                                              u8 key_idx)
 373 {
 374         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 375
 376         ieee80211_set_default_mgmt_key(sdata, key_idx);
 377
 378         return 0;
 379 }
 380
 381 void sta_set_rate_info_tx(struct sta_info *sta,
 382                           const struct ieee80211_tx_rate *rate,
 383                           struct rate_info *rinfo)
 384 {
 385         rinfo->flags = 0;
 386         if (rate->flags & IEEE80211_TX_RC_MCS) {
 387                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 388                 rinfo->mcs = rate->idx;
 389         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 390                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 391                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 392                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 393         } else {
 394                 struct ieee80211_supported_band *sband;
 395                 sband = sta->local->hw.wiphy->bands[
 396                                 ieee80211_get_sdata_band(sta->sdata)];
 397                 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
 398         }
 399         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 400                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 401         if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 402                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 403         if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 404                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 405         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 406                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 407 }
 408
 409 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
 410 {
 411         rinfo->flags = 0;
 412
 413         if (sta->last_rx_rate_flag & RX_FLAG_HT) {
 414                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 415                 rinfo->mcs = sta->last_rx_rate_idx;
 416         } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
 417                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 418                 rinfo->nss = sta->last_rx_rate_vht_nss;
 419                 rinfo->mcs = sta->last_rx_rate_idx;
 420         } else {
 421                 struct ieee80211_supported_band *sband;
 422
 423                 sband = sta->local->hw.wiphy->bands[
 424                                 ieee80211_get_sdata_band(sta->sdata)];
 425                 rinfo->legacy =
 426                         sband->bitrates[sta->last_rx_rate_idx].bitrate;
 427         }
 428
 429         if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 430                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 431         if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 432                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 433         if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
 434                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 435         if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
 436                 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
 437         if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
 438                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 439 }
 440
 441 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 442 {
 443         struct ieee80211_sub_if_data *sdata = sta->sdata;
 444         struct ieee80211_local *local = sdata->local;
 445         struct timespec uptime;
 446         u64 packets = 0;
 447         int ac;
 448
 449         sinfo->generation = sdata->local->sta_generation;
 450
 451         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 452                         STATION_INFO_RX_BYTES64 |
 453                         STATION_INFO_TX_BYTES64 |
 454                         STATION_INFO_RX_PACKETS |
 455                         STATION_INFO_TX_PACKETS |
 456                         STATION_INFO_TX_RETRIES |
 457                         STATION_INFO_TX_FAILED |
 458                         STATION_INFO_TX_BITRATE |
 459                         STATION_INFO_RX_BITRATE |
 460                         STATION_INFO_RX_DROP_MISC |
 461                         STATION_INFO_BSS_PARAM |
 462                         STATION_INFO_CONNECTED_TIME |
 463                         STATION_INFO_STA_FLAGS |
 464                         STATION_INFO_BEACON_LOSS_COUNT;
 465
 466         do_posix_clock_monotonic_gettime(&uptime);
 467         sinfo->connected_time = uptime.tv_sec - sta->last_connected;
 468
 469         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 470         sinfo->tx_bytes = 0;
 471         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 472                 sinfo->tx_bytes += sta->tx_bytes[ac];
 473                 packets += sta->tx_packets[ac];
 474         }
 475         sinfo->tx_packets = packets;
 476         sinfo->rx_bytes = sta->rx_bytes;
 477         sinfo->rx_packets = sta->rx_packets;
 478         sinfo->tx_retries = sta->tx_retry_count;
 479         sinfo->tx_failed = sta->tx_retry_failed;
 480         sinfo->rx_dropped_misc = sta->rx_dropped;
 481         sinfo->beacon_loss_count = sta->beacon_loss_count;
 482
 483         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 484             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 485                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 486                 if (!local->ops->get_rssi ||
 487                     drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
 488                         sinfo->signal = (s8)sta->last_signal;
 489                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 490         }
 491
 492         sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 493         sta_set_rate_info_rx(sta, &sinfo->rxrate);
 494
 495         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 496 #ifdef CONFIG_MAC80211_MESH
 497                 sinfo->filled |= STATION_INFO_LLID |
 498                                  STATION_INFO_PLID |
 499                                  STATION_INFO_PLINK_STATE |
 500                                  STATION_INFO_LOCAL_PM |
 501                                  STATION_INFO_PEER_PM |
 502                                  STATION_INFO_NONPEER_PM;
 503
 504                 sinfo->llid = le16_to_cpu(sta->llid);
 505                 sinfo->plid = le16_to_cpu(sta->plid);
 506                 sinfo->plink_state = sta->plink_state;
 507                 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
 508                         sinfo->filled |= STATION_INFO_T_OFFSET;
 509                         sinfo->t_offset = sta->t_offset;
 510                 }
 511                 sinfo->local_pm = sta->local_pm;
 512                 sinfo->peer_pm = sta->peer_pm;
 513                 sinfo->nonpeer_pm = sta->nonpeer_pm;
 514 #endif
 515         }
 516
 517         sinfo->bss_param.flags = 0;
 518         if (sdata->vif.bss_conf.use_cts_prot)
 519                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
 520         if (sdata->vif.bss_conf.use_short_preamble)
 521                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 522         if (sdata->vif.bss_conf.use_short_slot)
 523                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
 524         sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
 525         sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 526
 527         sinfo->sta_flags.set = 0;
 528         sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
 529                                 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
 530                                 BIT(NL80211_STA_FLAG_WME) |
 531                                 BIT(NL80211_STA_FLAG_MFP) |
 532                                 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
 533                                 BIT(NL80211_STA_FLAG_ASSOCIATED) |
 534                                 BIT(NL80211_STA_FLAG_TDLS_PEER);
 535         if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 536                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
 537         if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
 538                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
 539         if (test_sta_flag(sta, WLAN_STA_WME))
 540                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
 541         if (test_sta_flag(sta, WLAN_STA_MFP))
 542                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
 543         if (test_sta_flag(sta, WLAN_STA_AUTH))
 544                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
 545         if (test_sta_flag(sta, WLAN_STA_ASSOC))
 546                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
 547         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
 548                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
 549 }
 550
 551 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
 552         "rx_packets", "rx_bytes", "wep_weak_iv_count",
 553         "rx_duplicates", "rx_fragments", "rx_dropped",
 554         "tx_packets", "tx_bytes", "tx_fragments",
 555         "tx_filtered", "tx_retry_failed", "tx_retries",
 556         "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
 557         "channel", "noise", "ch_time", "ch_time_busy",
 558         "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
 559 };
 560 #define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)
 561
 562 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
 563                                        struct net_device *dev,
 564                                        int sset)
 565 {
 566         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 567         int rv = 0;
 568
 569         if (sset == ETH_SS_STATS)
 570                 rv += STA_STATS_LEN;
 571
 572         rv += drv_get_et_sset_count(sdata, sset);
 573
 574         if (rv == 0)
 575                 return -EOPNOTSUPP;
 576         return rv;
 577 }
 578
 579 static void ieee80211_get_et_stats(struct wiphy *wiphy,
 580                                    struct net_device *dev,
 581                                    struct ethtool_stats *stats,
 582                                    u64 *data)
 583 {
 584         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 585         struct ieee80211_chanctx_conf *chanctx_conf;
 586         struct ieee80211_channel *channel;
 587         struct sta_info *sta;
 588         struct ieee80211_local *local = sdata->local;
 589         struct station_info sinfo;
 590         struct survey_info survey;
 591         int i, q;
 592 #define STA_STATS_SURVEY_LEN 7
 593
 594         memset(data, 0, sizeof(u64) * STA_STATS_LEN);
 595
 596 #define ADD_STA_STATS(sta)                              \
 597         do {                                            \
 598                 data[i++] += sta->rx_packets;           \
 599                 data[i++] += sta->rx_bytes;             \
 600                 data[i++] += sta->wep_weak_iv_count;    \
 601                 data[i++] += sta->num_duplicates;       \
 602                 data[i++] += sta->rx_fragments;         \
 603                 data[i++] += sta->rx_dropped;           \
 604                                                         \
 605                 data[i++] += sinfo.tx_packets;          \
 606                 data[i++] += sinfo.tx_bytes;            \
 607                 data[i++] += sta->tx_fragments;         \
 608                 data[i++] += sta->tx_filtered_count;    \
 609                 data[i++] += sta->tx_retry_failed;      \
 610                 data[i++] += sta->tx_retry_count;       \
 611                 data[i++] += sta->beacon_loss_count;    \
 612         } while (0)
 613
 614         /* For Managed stations, find the single station based on BSSID
 615          * and use that.  For interface types, iterate through all available
 616          * stations and add stats for any station that is assigned to this
 617          * network device.
 618          */
 619
 620         mutex_lock(&local->sta_mtx);
 621
 622         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 623                 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
 624
 625                 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
 626                         goto do_survey;
 627
 628                 sinfo.filled = 0;
 629                 sta_set_sinfo(sta, &sinfo);
 630
 631                 i = 0;
 632                 ADD_STA_STATS(sta);
 633
 634                 data[i++] = sta->sta_state;
 635
 636
 637                 if (sinfo.filled & STATION_INFO_TX_BITRATE)
 638                         data[i] = 100000 *
 639                                 cfg80211_calculate_bitrate(&sinfo.txrate);
 640                 i++;
 641                 if (sinfo.filled & STATION_INFO_RX_BITRATE)
 642                         data[i] = 100000 *
 643                                 cfg80211_calculate_bitrate(&sinfo.rxrate);
 644                 i++;
 645
 646                 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
 647                         data[i] = (u8)sinfo.signal_avg;
 648                 i++;
 649         } else {
 650                 list_for_each_entry(sta, &local->sta_list, list) {
 651                         /* Make sure this station belongs to the proper dev */
 652                         if (sta->sdata->dev != dev)
 653                                 continue;
 654
 655                         i = 0;
 656                         ADD_STA_STATS(sta);
 657                 }
 658         }
 659
 660 do_survey:
 661         i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
 662         /* Get survey stats for current channel */
 663         survey.filled = 0;
 664
 665         rcu_read_lock();
 666         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 667         if (chanctx_conf)
 668                 channel = chanctx_conf->def.chan;
 669         else
 670                 channel = NULL;
 671         rcu_read_unlock();
 672
 673         if (channel) {
 674                 q = 0;
 675                 do {
 676                         survey.filled = 0;
 677                         if (drv_get_survey(local, q, &survey) != 0) {
 678                                 survey.filled = 0;
 679                                 break;
 680                         }
 681                         q++;
 682                 } while (channel != survey.channel);
 683         }
 684
 685         if (survey.filled)
 686                 data[i++] = survey.channel->center_freq;
 687         else
 688                 data[i++] = 0;
 689         if (survey.filled & SURVEY_INFO_NOISE_DBM)
 690                 data[i++] = (u8)survey.noise;
 691         else
 692                 data[i++] = -1LL;
 693         if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
 694                 data[i++] = survey.channel_time;
 695         else
 696                 data[i++] = -1LL;
 697         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
 698                 data[i++] = survey.channel_time_busy;
 699         else
 700                 data[i++] = -1LL;
 701         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
 702                 data[i++] = survey.channel_time_ext_busy;
 703         else
 704                 data[i++] = -1LL;
 705         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
 706                 data[i++] = survey.channel_time_rx;
 707         else
 708                 data[i++] = -1LL;
 709         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
 710                 data[i++] = survey.channel_time_tx;
 711         else
 712                 data[i++] = -1LL;
 713
 714         mutex_unlock(&local->sta_mtx);
 715
 716         if (WARN_ON(i != STA_STATS_LEN))
 717                 return;
 718
 719         drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
 720 }
 721
 722 static void ieee80211_get_et_strings(struct wiphy *wiphy,
 723                                      struct net_device *dev,
 724                                      u32 sset, u8 *data)
 725 {
 726         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 727         int sz_sta_stats = 0;
 728
 729         if (sset == ETH_SS_STATS) {
 730                 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
 731                 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
 732         }
 733         drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
 734 }
 735
 736 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 737                                  int idx, u8 *mac, struct station_info *sinfo)
 738 {
 739         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 740         struct ieee80211_local *local = sdata->local;
 741         struct sta_info *sta;
 742         int ret = -ENOENT;
 743
 744         mutex_lock(&local->sta_mtx);
 745
 746         sta = sta_info_get_by_idx(sdata, idx);
 747         if (sta) {
 748                 ret = 0;
 749                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 750                 sta_set_sinfo(sta, sinfo);
 751         }
 752
 753         mutex_unlock(&local->sta_mtx);
 754
 755         return ret;
 756 }
 757
 758 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 759                                  int idx, struct survey_info *survey)
 760 {
 761         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 762
 763         return drv_get_survey(local, idx, survey);
 764 }
 765
 766 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 767                                  u8 *mac, struct station_info *sinfo)
 768 {
 769         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 770         struct ieee80211_local *local = sdata->local;
 771         struct sta_info *sta;
 772         int ret = -ENOENT;
 773
 774         mutex_lock(&local->sta_mtx);
 775
 776         sta = sta_info_get_bss(sdata, mac);
 777         if (sta) {
 778                 ret = 0;
 779                 sta_set_sinfo(sta, sinfo);
 780         }
 781
 782         mutex_unlock(&local->sta_mtx);
 783
 784         return ret;
 785 }
 786
 787 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 788                                          struct cfg80211_chan_def *chandef)
 789 {
 790         struct ieee80211_local *local = wiphy_priv(wiphy);
 791         struct ieee80211_sub_if_data *sdata;
 792         int ret = 0;
 793
 794         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 795                 return 0;
 796
 797         mutex_lock(&local->iflist_mtx);
 798         if (local->use_chanctx) {
 799                 sdata = rcu_dereference_protected(
 800                                 local->monitor_sdata,
 801                                 lockdep_is_held(&local->iflist_mtx));
 802                 if (sdata) {
 803                         ieee80211_vif_release_channel(sdata);
 804                         ret = ieee80211_vif_use_channel(sdata, chandef,
 805                                         IEEE80211_CHANCTX_EXCLUSIVE);
 806                 }
 807         } else if (local->open_count == local->monitors) {
 808                 local->_oper_chandef = *chandef;
 809                 ieee80211_hw_config(local, 0);
 810         }
 811
 812         if (ret == 0)
 813                 local->monitor_chandef = *chandef;
 814         mutex_unlock(&local->iflist_mtx);
 815
 816         return ret;
 817 }
 818
 819 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 820                                     const u8 *resp, size_t resp_len)
 821 {
 822         struct probe_resp *new, *old;
 823
 824         if (!resp || !resp_len)
 825                 return 1;
 826
 827         old = rtnl_dereference(sdata->u.ap.probe_resp);
 828
 829         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 830         if (!new)
 831                 return -ENOMEM;
 832
 833         new->len = resp_len;
 834         memcpy(new->data, resp, resp_len);
 835
 836         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 837         if (old)
 838                 kfree_rcu(old, rcu_head);
 839
 840         return 0;
 841 }
 842
 843 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 844                                    struct cfg80211_beacon_data *params)
 845 {
 846         struct beacon_data *new, *old;
 847         int new_head_len, new_tail_len;
 848         int size, err;
 849         u32 changed = BSS_CHANGED_BEACON;
 850
 851         old = rtnl_dereference(sdata->u.ap.beacon);
 852
 853         /* Need to have a beacon head if we don't have one yet */
 854         if (!params->head && !old)
 855                 return -EINVAL;
 856
 857         /* new or old head? */
 858         if (params->head)
 859                 new_head_len = params->head_len;
 860         else
 861                 new_head_len = old->head_len;
 862
 863         /* new or old tail? */
 864         if (params->tail || !old)
 865                 /* params->tail_len will be zero for !params->tail */
 866                 new_tail_len = params->tail_len;
 867         else
 868                 new_tail_len = old->tail_len;
 869
 870         size = sizeof(*new) + new_head_len + new_tail_len;
 871
 872         new = kzalloc(size, GFP_KERNEL);
 873         if (!new)
 874                 return -ENOMEM;
 875
 876         /* start filling the new info now */
 877
 878         /*
 879          * pointers go into the block we allocated,
 880          * memory is | beacon_data | head | tail |
 881          */
 882         new->head = ((u8 *) new) + sizeof(*new);
 883         new->tail = new->head + new_head_len;
 884         new->head_len = new_head_len;
 885         new->tail_len = new_tail_len;
 886
 887         /* copy in head */
 888         if (params->head)
 889                 memcpy(new->head, params->head, new_head_len);
 890         else
 891                 memcpy(new->head, old->head, new_head_len);
 892
 893         /* copy in optional tail */
 894         if (params->tail)
 895                 memcpy(new->tail, params->tail, new_tail_len);
 896         else
 897                 if (old)
 898                         memcpy(new->tail, old->tail, new_tail_len);
 899
 900         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 901                                        params->probe_resp_len);
 902         if (err < 0)
 903                 return err;
 904         if (err == 0)
 905                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 906
 907         rcu_assign_pointer(sdata->u.ap.beacon, new);
 908
 909         if (old)
 910                 kfree_rcu(old, rcu_head);
 911
 912         return changed;
 913 }
 914
 915 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 916                               struct cfg80211_ap_settings *params)
 917 {
 918         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 919         struct beacon_data *old;
 920         struct ieee80211_sub_if_data *vlan;
 921         u32 changed = BSS_CHANGED_BEACON_INT |
 922                       BSS_CHANGED_BEACON_ENABLED |
 923                       BSS_CHANGED_BEACON |
 924                       BSS_CHANGED_SSID |
 925                       BSS_CHANGED_P2P_PS;
 926         int err;
 927
 928         old = rtnl_dereference(sdata->u.ap.beacon);
 929         if (old)
 930                 return -EALREADY;
 931
 932         /* TODO: make hostapd tell us what it wants */
 933         sdata->smps_mode = IEEE80211_SMPS_OFF;
 934         sdata->needed_rx_chains = sdata->local->rx_chains;
 935         sdata->radar_required = params->radar_required;
 936
 937         err = ieee80211_vif_use_channel(sdata, &params->chandef,
 938                                         IEEE80211_CHANCTX_SHARED);
 939         if (err)
 940                 return err;
 941         ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
 942
 943         /*
 944          * Apply control port protocol, this allows us to
 945          * not encrypt dynamic WEP control frames.
 946          */
 947         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 948         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 949         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
 950                 vlan->control_port_protocol =
 951                         params->crypto.control_port_ethertype;
 952                 vlan->control_port_no_encrypt =
 953                         params->crypto.control_port_no_encrypt;
 954         }
 955
 956         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 957         sdata->vif.bss_conf.dtim_period = params->dtim_period;
 958         sdata->vif.bss_conf.enable_beacon = true;
 959
 960         sdata->vif.bss_conf.ssid_len = params->ssid_len;
 961         if (params->ssid_len)
 962                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
 963                        params->ssid_len);
 964         sdata->vif.bss_conf.hidden_ssid =
 965                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
 966
 967         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
 968                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
 969         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
 970                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
 971         if (params->p2p_opp_ps)
 972                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
 973                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
 974
 975         err = ieee80211_assign_beacon(sdata, &params->beacon);
 976         if (err < 0)
 977                 return err;
 978         changed |= err;
 979
 980         err = drv_start_ap(sdata->local, sdata);
 981         if (err) {
 982                 old = rtnl_dereference(sdata->u.ap.beacon);
 983                 if (old)
 984                         kfree_rcu(old, rcu_head);
 985                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
 986                 return err;
 987         }
 988
 989         ieee80211_bss_info_change_notify(sdata, changed);
 990
 991         netif_carrier_on(dev);
 992         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 993                 netif_carrier_on(vlan->dev);
 994
 995         return 0;
 996 }
 997
 998 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 999                                    struct cfg80211_beacon_data *params)
1000 {
1001         struct ieee80211_sub_if_data *sdata;
1002         struct beacon_data *old;
1003         int err;
1004
1005         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1006
1007         old = rtnl_dereference(sdata->u.ap.beacon);
1008         if (!old)
1009                 return -ENOENT;
1010
1011         err = ieee80211_assign_beacon(sdata, params);
1012         if (err < 0)
1013                 return err;
1014         ieee80211_bss_info_change_notify(sdata, err);
1015         return 0;
1016 }
1017
1018 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1019 {
1020         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021         struct ieee80211_sub_if_data *vlan;
1022         struct ieee80211_local *local = sdata->local;
1023         struct beacon_data *old_beacon;
1024         struct probe_resp *old_probe_resp;
1025
1026         old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1027         if (!old_beacon)
1028                 return -ENOENT;
1029         old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1030
1031         /* turn off carrier for this interface and dependent VLANs */
1032         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1033                 netif_carrier_off(vlan->dev);
1034         netif_carrier_off(dev);
1035
1036         /* remove beacon and probe response */
1037         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1038         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1039         kfree_rcu(old_beacon, rcu_head);
1040         if (old_probe_resp)
1041                 kfree_rcu(old_probe_resp, rcu_head);
1042
1043         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1044                 sta_info_flush_defer(vlan);
1045         sta_info_flush_defer(sdata);
1046         synchronize_net();
1047         rcu_barrier();
1048         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1049                 sta_info_flush_cleanup(vlan);
1050                 ieee80211_free_keys(vlan);
1051         }
1052         sta_info_flush_cleanup(sdata);
1053         ieee80211_free_keys(sdata);
1054
1055         sdata->vif.bss_conf.enable_beacon = false;
1056         sdata->vif.bss_conf.ssid_len = 0;
1057         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1058         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1059
1060         if (sdata->wdev.cac_started) {
1061                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1062                 cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED,
1063                                    GFP_KERNEL);
1064         }
1065
1066         drv_stop_ap(sdata->local, sdata);
1067
1068         /* free all potentially still buffered bcast frames */
1069         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1070         skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1071
1072         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1073         ieee80211_vif_release_channel(sdata);
1074
1075         return 0;
1076 }
1077
1078 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1079 struct iapp_layer2_update {
1080         u8 da[ETH_ALEN];        /* broadcast */
1081         u8 sa[ETH_ALEN];        /* STA addr */
1082         __be16 len;             /* 6 */
1083         u8 dsap;                /* 0 */
1084         u8 ssap;                /* 0 */
1085         u8 control;
1086         u8 xid_info[3];
1087 } __packed;
1088
1089 static void ieee80211_send_layer2_update(struct sta_info *sta)
1090 {
1091         struct iapp_layer2_update *msg;
1092         struct sk_buff *skb;
1093
1094         /* Send Level 2 Update Frame to update forwarding tables in layer 2
1095          * bridge devices */
1096
1097         skb = dev_alloc_skb(sizeof(*msg));
1098         if (!skb)
1099                 return;
1100         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1101
1102         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1103          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1104
1105         eth_broadcast_addr(msg->da);
1106         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1107         msg->len = htons(6);
1108         msg->dsap = 0;
1109         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
1110         msg->control = 0xaf;    /* XID response lsb.1111F101.
1111                                  * F=0 (no poll command; unsolicited frame) */
1112         msg->xid_info[0] = 0x81;        /* XID format identifier */
1113         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
1114         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
1115
1116         skb->dev = sta->sdata->dev;
1117         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1118         memset(skb->cb, 0, sizeof(skb->cb));
1119         netif_rx_ni(skb);
1120 }
1121
1122 static int sta_apply_auth_flags(struct ieee80211_local *local,
1123                                 struct sta_info *sta,
1124                                 u32 mask, u32 set)
1125 {
1126         int ret;
1127
1128         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1129             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1130             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1131                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1132                 if (ret)
1133                         return ret;
1134         }
1135
1136         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1137             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1138             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1139                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1140                 if (ret)
1141                         return ret;
1142         }
1143
1144         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1145                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1146                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1147                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1148                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1149                 else
1150                         ret = 0;
1151                 if (ret)
1152                         return ret;
1153         }
1154
1155         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1156             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1157             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1158                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1159                 if (ret)
1160                         return ret;
1161         }
1162
1163         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1164             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1165             test_sta_flag(sta, WLAN_STA_AUTH)) {
1166                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1167                 if (ret)
1168                         return ret;
1169         }
1170
1171         return 0;
1172 }
1173
1174 static int sta_apply_parameters(struct ieee80211_local *local,
1175                                 struct sta_info *sta,
1176                                 struct station_parameters *params)
1177 {
1178         int ret = 0;
1179         u32 rates;
1180         int i, j;
1181         struct ieee80211_supported_band *sband;
1182         struct ieee80211_sub_if_data *sdata = sta->sdata;
1183         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1184         u32 mask, set;
1185
1186         sband = local->hw.wiphy->bands[band];
1187
1188         mask = params->sta_flags_mask;
1189         set = params->sta_flags_set;
1190
1191         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1192                 /*
1193                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1194                  * API but must follow AUTHENTICATED for driver state.
1195                  */
1196                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1197                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1198                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1199                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1200         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1201                 /*
1202                  * TDLS -- everything follows authorized, but
1203                  * only becoming authorized is possible, not
1204                  * going back
1205                  */
1206                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1207                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1208                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1209                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1210                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1211                 }
1212         }
1213
1214         ret = sta_apply_auth_flags(local, sta, mask, set);
1215         if (ret)
1216                 return ret;
1217
1218         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1219                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1220                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1221                 else
1222                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1223         }
1224
1225         if (mask & BIT(NL80211_STA_FLAG_WME)) {
1226                 if (set & BIT(NL80211_STA_FLAG_WME)) {
1227                         set_sta_flag(sta, WLAN_STA_WME);
1228                         sta->sta.wme = true;
1229                 } else {
1230                         clear_sta_flag(sta, WLAN_STA_WME);
1231                         sta->sta.wme = false;
1232                 }
1233         }
1234
1235         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1236                 if (set & BIT(NL80211_STA_FLAG_MFP))
1237                         set_sta_flag(sta, WLAN_STA_MFP);
1238                 else
1239                         clear_sta_flag(sta, WLAN_STA_MFP);
1240         }
1241
1242         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1243                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1244                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1245                 else
1246                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1247         }
1248
1249         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1250                 sta->sta.uapsd_queues = params->uapsd_queues;
1251                 sta->sta.max_sp = params->max_sp;
1252         }
1253
1254         /*
1255          * cfg80211 validates this (1-2007) and allows setting the AID
1256          * only when creating a new station entry
1257          */
1258         if (params->aid)
1259                 sta->sta.aid = params->aid;
1260
1261         /*
1262          * Some of the following updates would be racy if called on an
1263          * existing station, via ieee80211_change_station(). However,
1264          * all such changes are rejected by cfg80211 except for updates
1265          * changing the supported rates on an existing but not yet used
1266          * TDLS peer.
1267          */
1268
1269         if (params->listen_interval >= 0)
1270                 sta->listen_interval = params->listen_interval;
1271
1272         if (params->supported_rates) {
1273                 rates = 0;
1274
1275                 for (i = 0; i < params->supported_rates_len; i++) {
1276                         int rate = (params->supported_rates[i] & 0x7f) * 5;
1277                         for (j = 0; j < sband->n_bitrates; j++) {
1278                                 if (sband->bitrates[j].bitrate == rate)
1279                                         rates |= BIT(j);
1280                         }
1281                 }
1282                 sta->sta.supp_rates[band] = rates;
1283         }
1284
1285         if (params->ht_capa)
1286                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1287                                                   params->ht_capa, sta);
1288
1289         if (params->vht_capa)
1290                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1291                                                     params->vht_capa, sta);
1292
1293         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1294 #ifdef CONFIG_MAC80211_MESH
1295                 u32 changed = 0;
1296
1297                 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1298                         switch (params->plink_state) {
1299                         case NL80211_PLINK_ESTAB:
1300                                 if (sta->plink_state != NL80211_PLINK_ESTAB)
1301                                         changed = mesh_plink_inc_estab_count(
1302                                                         sdata);
1303                                 sta->plink_state = params->plink_state;
1304
1305                                 ieee80211_mps_sta_status_update(sta);
1306                                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1307                                               sdata->u.mesh.mshcfg.power_mode);
1308                                 break;
1309                         case NL80211_PLINK_LISTEN:
1310                         case NL80211_PLINK_BLOCKED:
1311                         case NL80211_PLINK_OPN_SNT:
1312                         case NL80211_PLINK_OPN_RCVD:
1313                         case NL80211_PLINK_CNF_RCVD:
1314                         case NL80211_PLINK_HOLDING:
1315                                 if (sta->plink_state == NL80211_PLINK_ESTAB)
1316                                         changed = mesh_plink_dec_estab_count(
1317                                                         sdata);
1318                                 sta->plink_state = params->plink_state;
1319
1320                                 ieee80211_mps_sta_status_update(sta);
1321                                 changed |=
1322                                       ieee80211_mps_local_status_update(sdata);
1323                                 break;
1324                         default:
1325                                 /*  nothing  */
1326                                 break;
1327                         }
1328                 }
1329
1330                 switch (params->plink_action) {
1331                 case NL80211_PLINK_ACTION_NO_ACTION:
1332                         /* nothing */
1333                         break;
1334                 case NL80211_PLINK_ACTION_OPEN:
1335                         changed |= mesh_plink_open(sta);
1336                         break;
1337                 case NL80211_PLINK_ACTION_BLOCK:
1338                         changed |= mesh_plink_block(sta);
1339                         break;
1340                 }
1341
1342                 if (params->local_pm)
1343                         changed |=
1344                               ieee80211_mps_set_sta_local_pm(sta,
1345                                                              params->local_pm);
1346                 ieee80211_bss_info_change_notify(sdata, changed);
1347 #endif
1348         }
1349
1350         return 0;
1351 }
1352
1353 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1354                                  u8 *mac, struct station_parameters *params)
1355 {
1356         struct ieee80211_local *local = wiphy_priv(wiphy);
1357         struct sta_info *sta;
1358         struct ieee80211_sub_if_data *sdata;
1359         int err;
1360         int layer2_update;
1361
1362         if (params->vlan) {
1363                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1364
1365                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1366                     sdata->vif.type != NL80211_IFTYPE_AP)
1367                         return -EINVAL;
1368         } else
1369                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1370
1371         if (ether_addr_equal(mac, sdata->vif.addr))
1372                 return -EINVAL;
1373
1374         if (is_multicast_ether_addr(mac))
1375                 return -EINVAL;
1376
1377         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1378         if (!sta)
1379                 return -ENOMEM;
1380
1381         /*
1382          * defaults -- if userspace wants something else we'll
1383          * change it accordingly in sta_apply_parameters()
1384          */
1385         if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1386                 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1387                 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1388         }
1389
1390         err = sta_apply_parameters(local, sta, params);
1391         if (err) {
1392                 sta_info_free(local, sta);
1393                 return err;
1394         }
1395
1396         /*
1397          * for TDLS, rate control should be initialized only when
1398          * rates are known and station is marked authorized
1399          */
1400         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1401                 rate_control_rate_init(sta);
1402
1403         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1404                 sdata->vif.type == NL80211_IFTYPE_AP;
1405
1406         err = sta_info_insert_rcu(sta);
1407         if (err) {
1408                 rcu_read_unlock();
1409                 return err;
1410         }
1411
1412         if (layer2_update)
1413                 ieee80211_send_layer2_update(sta);
1414
1415         rcu_read_unlock();
1416
1417         return 0;
1418 }
1419
1420 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1421                                  u8 *mac)
1422 {
1423         struct ieee80211_sub_if_data *sdata;
1424
1425         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1426
1427         if (mac)
1428                 return sta_info_destroy_addr_bss(sdata, mac);
1429
1430         sta_info_flush(sdata);
1431         return 0;
1432 }
1433
1434 static int ieee80211_change_station(struct wiphy *wiphy,
1435                                     struct net_device *dev, u8 *mac,
1436                                     struct station_parameters *params)
1437 {
1438         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1439         struct ieee80211_local *local = wiphy_priv(wiphy);
1440         struct sta_info *sta;
1441         struct ieee80211_sub_if_data *vlansdata;
1442         enum cfg80211_station_type statype;
1443         int err;
1444
1445         mutex_lock(&local->sta_mtx);
1446
1447         sta = sta_info_get_bss(sdata, mac);
1448         if (!sta) {
1449                 err = -ENOENT;
1450                 goto out_err;
1451         }
1452
1453         switch (sdata->vif.type) {
1454         case NL80211_IFTYPE_MESH_POINT:
1455                 if (sdata->u.mesh.user_mpm)
1456                         statype = CFG80211_STA_MESH_PEER_USER;
1457                 else
1458                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1459                 break;
1460         case NL80211_IFTYPE_ADHOC:
1461                 statype = CFG80211_STA_IBSS;
1462                 break;
1463         case NL80211_IFTYPE_STATION:
1464                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1465                         statype = CFG80211_STA_AP_STA;
1466                         break;
1467                 }
1468                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1469                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1470                 else
1471                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1472                 break;
1473         case NL80211_IFTYPE_AP:
1474         case NL80211_IFTYPE_AP_VLAN:
1475                 statype = CFG80211_STA_AP_CLIENT;
1476                 break;
1477         default:
1478                 err = -EOPNOTSUPP;
1479                 goto out_err;
1480         }
1481
1482         err = cfg80211_check_station_change(wiphy, params, statype);
1483         if (err)
1484                 goto out_err;
1485
1486         if (params->vlan && params->vlan != sta->sdata->dev) {
1487                 bool prev_4addr = false;
1488                 bool new_4addr = false;
1489
1490                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1491
1492                 if (params->vlan->ieee80211_ptr->use_4addr) {
1493                         if (vlansdata->u.vlan.sta) {
1494                                 err = -EBUSY;
1495                                 goto out_err;
1496                         }
1497
1498                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1499                         new_4addr = true;
1500                 }
1501
1502                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1503                     sta->sdata->u.vlan.sta) {
1504                         rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1505                         prev_4addr = true;
1506                 }
1507
1508                 sta->sdata = vlansdata;
1509
1510                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1511                     prev_4addr != new_4addr) {
1512                         if (new_4addr)
1513                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1514                         else
1515                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1516                 }
1517
1518                 ieee80211_send_layer2_update(sta);
1519         }
1520
1521         err = sta_apply_parameters(local, sta, params);
1522         if (err)
1523                 goto out_err;
1524
1525         /* When peer becomes authorized, init rate control as well */
1526         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1527             test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1528                 rate_control_rate_init(sta);
1529
1530         mutex_unlock(&local->sta_mtx);
1531
1532         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1533             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1534                 ieee80211_recalc_ps(local, -1);
1535                 ieee80211_recalc_ps_vif(sdata);
1536         }
1537
1538         return 0;
1539 out_err:
1540         mutex_unlock(&local->sta_mtx);
1541         return err;
1542 }
1543
1544 #ifdef CONFIG_MAC80211_MESH
1545 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1546                                  u8 *dst, u8 *next_hop)
1547 {
1548         struct ieee80211_sub_if_data *sdata;
1549         struct mesh_path *mpath;
1550         struct sta_info *sta;
1551
1552         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1553
1554         rcu_read_lock();
1555         sta = sta_info_get(sdata, next_hop);
1556         if (!sta) {
1557                 rcu_read_unlock();
1558                 return -ENOENT;
1559         }
1560
1561         mpath = mesh_path_add(sdata, dst);
1562         if (IS_ERR(mpath)) {
1563                 rcu_read_unlock();
1564                 return PTR_ERR(mpath);
1565         }
1566
1567         mesh_path_fix_nexthop(mpath, sta);
1568
1569         rcu_read_unlock();
1570         return 0;
1571 }
1572
1573 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1574                                u8 *dst)
1575 {
1576         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1577
1578         if (dst)
1579                 return mesh_path_del(sdata, dst);
1580
1581         mesh_path_flush_by_iface(sdata);
1582         return 0;
1583 }
1584
1585 static int ieee80211_change_mpath(struct wiphy *wiphy,
1586                                     struct net_device *dev,
1587                                     u8 *dst, u8 *next_hop)
1588 {
1589         struct ieee80211_sub_if_data *sdata;
1590         struct mesh_path *mpath;
1591         struct sta_info *sta;
1592
1593         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1594
1595         rcu_read_lock();
1596
1597         sta = sta_info_get(sdata, next_hop);
1598         if (!sta) {
1599                 rcu_read_unlock();
1600                 return -ENOENT;
1601         }
1602
1603         mpath = mesh_path_lookup(sdata, dst);
1604         if (!mpath) {
1605                 rcu_read_unlock();
1606                 return -ENOENT;
1607         }
1608
1609         mesh_path_fix_nexthop(mpath, sta);
1610
1611         rcu_read_unlock();
1612         return 0;
1613 }
1614
1615 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1616                             struct mpath_info *pinfo)
1617 {
1618         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1619
1620         if (next_hop_sta)
1621                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1622         else
1623                 memset(next_hop, 0, ETH_ALEN);
1624
1625         memset(pinfo, 0, sizeof(*pinfo));
1626
1627         pinfo->generation = mesh_paths_generation;
1628
1629         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1630                         MPATH_INFO_SN |
1631                         MPATH_INFO_METRIC |
1632                         MPATH_INFO_EXPTIME |
1633                         MPATH_INFO_DISCOVERY_TIMEOUT |
1634                         MPATH_INFO_DISCOVERY_RETRIES |
1635                         MPATH_INFO_FLAGS;
1636
1637         pinfo->frame_qlen = mpath->frame_queue.qlen;
1638         pinfo->sn = mpath->sn;
1639         pinfo->metric = mpath->metric;
1640         if (time_before(jiffies, mpath->exp_time))
1641                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1642         pinfo->discovery_timeout =
1643                         jiffies_to_msecs(mpath->discovery_timeout);
1644         pinfo->discovery_retries = mpath->discovery_retries;
1645         if (mpath->flags & MESH_PATH_ACTIVE)
1646                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1647         if (mpath->flags & MESH_PATH_RESOLVING)
1648                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1649         if (mpath->flags & MESH_PATH_SN_VALID)
1650                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1651         if (mpath->flags & MESH_PATH_FIXED)
1652                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1653         if (mpath->flags & MESH_PATH_RESOLVED)
1654                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1655 }
1656
1657 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1658                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1659
1660 {
1661         struct ieee80211_sub_if_data *sdata;
1662         struct mesh_path *mpath;
1663
1664         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1665
1666         rcu_read_lock();
1667         mpath = mesh_path_lookup(sdata, dst);
1668         if (!mpath) {
1669                 rcu_read_unlock();
1670                 return -ENOENT;
1671         }
1672         memcpy(dst, mpath->dst, ETH_ALEN);
1673         mpath_set_pinfo(mpath, next_hop, pinfo);
1674         rcu_read_unlock();
1675         return 0;
1676 }
1677
1678 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1679                                  int idx, u8 *dst, u8 *next_hop,
1680                                  struct mpath_info *pinfo)
1681 {
1682         struct ieee80211_sub_if_data *sdata;
1683         struct mesh_path *mpath;
1684
1685         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1686
1687         rcu_read_lock();
1688         mpath = mesh_path_lookup_by_idx(sdata, idx);
1689         if (!mpath) {
1690                 rcu_read_unlock();
1691                 return -ENOENT;
1692         }
1693         memcpy(dst, mpath->dst, ETH_ALEN);
1694         mpath_set_pinfo(mpath, next_hop, pinfo);
1695         rcu_read_unlock();
1696         return 0;
1697 }
1698
1699 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1700                                 struct net_device *dev,
1701                                 struct mesh_config *conf)
1702 {
1703         struct ieee80211_sub_if_data *sdata;
1704         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1705
1706         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1707         return 0;
1708 }
1709
1710 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1711 {
1712         return (mask >> (parm-1)) & 0x1;
1713 }
1714
1715 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1716                 const struct mesh_setup *setup)
1717 {
1718         u8 *new_ie;
1719         const u8 *old_ie;
1720         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1721                                         struct ieee80211_sub_if_data, u.mesh);
1722
1723         /* allocate information elements */
1724         new_ie = NULL;
1725         old_ie = ifmsh->ie;
1726
1727         if (setup->ie_len) {
1728                 new_ie = kmemdup(setup->ie, setup->ie_len,
1729                                 GFP_KERNEL);
1730                 if (!new_ie)
1731                         return -ENOMEM;
1732         }
1733         ifmsh->ie_len = setup->ie_len;
1734         ifmsh->ie = new_ie;
1735         kfree(old_ie);
1736
1737         /* now copy the rest of the setup parameters */
1738         ifmsh->mesh_id_len = setup->mesh_id_len;
1739         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1740         ifmsh->mesh_sp_id = setup->sync_method;
1741         ifmsh->mesh_pp_id = setup->path_sel_proto;
1742         ifmsh->mesh_pm_id = setup->path_metric;
1743         ifmsh->user_mpm = setup->user_mpm;
1744         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1745         if (setup->is_authenticated)
1746                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1747         if (setup->is_secure)
1748                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1749
1750         /* mcast rate setting in Mesh Node */
1751         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1752                                                 sizeof(setup->mcast_rate));
1753
1754         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1755         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1756
1757         return 0;
1758 }
1759
1760 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1761                                         struct net_device *dev, u32 mask,
1762                                         const struct mesh_config *nconf)
1763 {
1764         struct mesh_config *conf;
1765         struct ieee80211_sub_if_data *sdata;
1766         struct ieee80211_if_mesh *ifmsh;
1767
1768         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769         ifmsh = &sdata->u.mesh;
1770
1771         /* Set the config options which we are interested in setting */
1772         conf = &(sdata->u.mesh.mshcfg);
1773         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1774                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1775         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1776                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1777         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1778                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1779         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1780                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1781         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1782                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1783         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1784                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1785         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1786                 conf->element_ttl = nconf->element_ttl;
1787         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1788                 if (ifmsh->user_mpm)
1789                         return -EBUSY;
1790                 conf->auto_open_plinks = nconf->auto_open_plinks;
1791         }
1792         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1793                 conf->dot11MeshNbrOffsetMaxNeighbor =
1794                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1795         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1796                 conf->dot11MeshHWMPmaxPREQretries =
1797                         nconf->dot11MeshHWMPmaxPREQretries;
1798         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1799                 conf->path_refresh_time = nconf->path_refresh_time;
1800         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1801                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1802         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1803                 conf->dot11MeshHWMPactivePathTimeout =
1804                         nconf->dot11MeshHWMPactivePathTimeout;
1805         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1806                 conf->dot11MeshHWMPpreqMinInterval =
1807                         nconf->dot11MeshHWMPpreqMinInterval;
1808         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1809                 conf->dot11MeshHWMPperrMinInterval =
1810                         nconf->dot11MeshHWMPperrMinInterval;
1811         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1812                            mask))
1813                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1814                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1815         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1816                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1817                 ieee80211_mesh_root_setup(ifmsh);
1818         }
1819         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1820                 /* our current gate announcement implementation rides on root
1821                  * announcements, so require this ifmsh to also be a root node
1822                  * */
1823                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1824                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1825                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1826                         ieee80211_mesh_root_setup(ifmsh);
1827                 }
1828                 conf->dot11MeshGateAnnouncementProtocol =
1829                         nconf->dot11MeshGateAnnouncementProtocol;
1830         }
1831         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1832                 conf->dot11MeshHWMPRannInterval =
1833                         nconf->dot11MeshHWMPRannInterval;
1834         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1835                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1836         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1837                 /* our RSSI threshold implementation is supported only for
1838                  * devices that report signal in dBm.
1839                  */
1840                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1841                         return -ENOTSUPP;
1842                 conf->rssi_threshold = nconf->rssi_threshold;
1843         }
1844         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1845                 conf->ht_opmode = nconf->ht_opmode;
1846                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1847                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1848         }
1849         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1850                 conf->dot11MeshHWMPactivePathToRootTimeout =
1851                         nconf->dot11MeshHWMPactivePathToRootTimeout;
1852         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1853                 conf->dot11MeshHWMProotInterval =
1854                         nconf->dot11MeshHWMProotInterval;
1855         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1856                 conf->dot11MeshHWMPconfirmationInterval =
1857                         nconf->dot11MeshHWMPconfirmationInterval;
1858         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1859                 conf->power_mode = nconf->power_mode;
1860                 ieee80211_mps_local_status_update(sdata);
1861         }
1862         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1863                 conf->dot11MeshAwakeWindowDuration =
1864                         nconf->dot11MeshAwakeWindowDuration;
1865         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1866         return 0;
1867 }
1868
1869 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1870                                const struct mesh_config *conf,
1871                                const struct mesh_setup *setup)
1872 {
1873         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1874         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1875         int err;
1876
1877         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1878         err = copy_mesh_setup(ifmsh, setup);
1879         if (err)
1880                 return err;
1881
1882         /* can mesh use other SMPS modes? */
1883         sdata->smps_mode = IEEE80211_SMPS_OFF;
1884         sdata->needed_rx_chains = sdata->local->rx_chains;
1885
1886         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1887                                         IEEE80211_CHANCTX_SHARED);
1888         if (err)
1889                 return err;
1890
1891         return ieee80211_start_mesh(sdata);
1892 }
1893
1894 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1895 {
1896         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1897
1898         ieee80211_stop_mesh(sdata);
1899         ieee80211_vif_release_channel(sdata);
1900
1901         return 0;
1902 }
1903 #endif
1904
1905 static int ieee80211_change_bss(struct wiphy *wiphy,
1906                                 struct net_device *dev,
1907                                 struct bss_parameters *params)
1908 {
1909         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1910         enum ieee80211_band band;
1911         u32 changed = 0;
1912
1913         if (!rtnl_dereference(sdata->u.ap.beacon))
1914                 return -ENOENT;
1915
1916         band = ieee80211_get_sdata_band(sdata);
1917
1918         if (params->use_cts_prot >= 0) {
1919                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1920                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1921         }
1922         if (params->use_short_preamble >= 0) {
1923                 sdata->vif.bss_conf.use_short_preamble =
1924                         params->use_short_preamble;
1925                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1926         }
1927
1928         if (!sdata->vif.bss_conf.use_short_slot &&
1929             band == IEEE80211_BAND_5GHZ) {
1930                 sdata->vif.bss_conf.use_short_slot = true;
1931                 changed |= BSS_CHANGED_ERP_SLOT;
1932         }
1933
1934         if (params->use_short_slot_time >= 0) {
1935                 sdata->vif.bss_conf.use_short_slot =
1936                         params->use_short_slot_time;
1937                 changed |= BSS_CHANGED_ERP_SLOT;
1938         }
1939
1940         if (params->basic_rates) {
1941                 int i, j;
1942                 u32 rates = 0;
1943                 struct ieee80211_supported_band *sband = wiphy->bands[band];
1944
1945                 for (i = 0; i < params->basic_rates_len; i++) {
1946                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1947                         for (j = 0; j < sband->n_bitrates; j++) {
1948                                 if (sband->bitrates[j].bitrate == rate)
1949                                         rates |= BIT(j);
1950                         }
1951                 }
1952                 sdata->vif.bss_conf.basic_rates = rates;
1953                 changed |= BSS_CHANGED_BASIC_RATES;
1954         }
1955
1956         if (params->ap_isolate >= 0) {
1957                 if (params->ap_isolate)
1958                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1959                 else
1960                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1961         }
1962
1963         if (params->ht_opmode >= 0) {
1964                 sdata->vif.bss_conf.ht_operation_mode =
1965                         (u16) params->ht_opmode;
1966                 changed |= BSS_CHANGED_HT;
1967         }
1968
1969         if (params->p2p_ctwindow >= 0) {
1970                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1971                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1972                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1973                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1974                 changed |= BSS_CHANGED_P2P_PS;
1975         }
1976
1977         if (params->p2p_opp_ps > 0) {
1978                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1979                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1980                 changed |= BSS_CHANGED_P2P_PS;
1981         } else if (params->p2p_opp_ps == 0) {
1982                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1983                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1984                 changed |= BSS_CHANGED_P2P_PS;
1985         }
1986
1987         ieee80211_bss_info_change_notify(sdata, changed);
1988
1989         return 0;
1990 }
1991
1992 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1993                                     struct net_device *dev,
1994                                     struct ieee80211_txq_params *params)
1995 {
1996         struct ieee80211_local *local = wiphy_priv(wiphy);
1997         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1998         struct ieee80211_tx_queue_params p;
1999
2000         if (!local->ops->conf_tx)
2001                 return -EOPNOTSUPP;
2002
2003         if (local->hw.queues < IEEE80211_NUM_ACS)
2004                 return -EOPNOTSUPP;
2005
2006         memset(&p, 0, sizeof(p));
2007         p.aifs = params->aifs;
2008         p.cw_max = params->cwmax;
2009         p.cw_min = params->cwmin;
2010         p.txop = params->txop;
2011
2012         /*
2013          * Setting tx queue params disables u-apsd because it's only
2014          * called in master mode.
2015          */
2016         p.uapsd = false;
2017
2018         sdata->tx_conf[params->ac] = p;
2019         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2020                 wiphy_debug(local->hw.wiphy,
2021                             "failed to set TX queue parameters for AC %d\n",
2022                             params->ac);
2023                 return -EINVAL;
2024         }
2025
2026         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2027
2028         return 0;
2029 }
2030
2031 #ifdef CONFIG_PM
2032 static int ieee80211_suspend(struct wiphy *wiphy,
2033                              struct cfg80211_wowlan *wowlan)
2034 {
2035         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2036 }
2037
2038 static int ieee80211_resume(struct wiphy *wiphy)
2039 {
2040         return __ieee80211_resume(wiphy_priv(wiphy));
2041 }
2042 #else
2043 #define ieee80211_suspend NULL
2044 #define ieee80211_resume NULL
2045 #endif
2046
2047 static int ieee80211_scan(struct wiphy *wiphy,
2048                           struct cfg80211_scan_request *req)
2049 {
2050         struct ieee80211_sub_if_data *sdata;
2051
2052         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2053
2054         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2055         case NL80211_IFTYPE_STATION:
2056         case NL80211_IFTYPE_ADHOC:
2057         case NL80211_IFTYPE_MESH_POINT:
2058         case NL80211_IFTYPE_P2P_CLIENT:
2059         case NL80211_IFTYPE_P2P_DEVICE:
2060                 break;
2061         case NL80211_IFTYPE_P2P_GO:
2062                 if (sdata->local->ops->hw_scan)
2063                         break;
2064                 /*
2065                  * FIXME: implement NoA while scanning in software,
2066                  * for now fall through to allow scanning only when
2067                  * beaconing hasn't been configured yet
2068                  */
2069         case NL80211_IFTYPE_AP:
2070                 /*
2071                  * If the scan has been forced (and the driver supports
2072                  * forcing), don't care about being beaconing already.
2073                  * This will create problems to the attached stations (e.g. all
2074                  * the  frames sent while scanning on other channel will be
2075                  * lost)
2076                  */
2077                 if (sdata->u.ap.beacon &&
2078                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2079                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2080                         return -EOPNOTSUPP;
2081                 break;
2082         default:
2083                 return -EOPNOTSUPP;
2084         }
2085
2086         return ieee80211_request_scan(sdata, req);
2087 }
2088
2089 static int
2090 ieee80211_sched_scan_start(struct wiphy *wiphy,
2091                            struct net_device *dev,
2092                            struct cfg80211_sched_scan_request *req)
2093 {
2094         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2095
2096         if (!sdata->local->ops->sched_scan_start)
2097                 return -EOPNOTSUPP;
2098
2099         return ieee80211_request_sched_scan_start(sdata, req);
2100 }
2101
2102 static int
2103 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2104 {
2105         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2106
2107         if (!sdata->local->ops->sched_scan_stop)
2108                 return -EOPNOTSUPP;
2109
2110         return ieee80211_request_sched_scan_stop(sdata);
2111 }
2112
2113 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2114                           struct cfg80211_auth_request *req)
2115 {
2116         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2117 }
2118
2119 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2120                            struct cfg80211_assoc_request *req)
2121 {
2122         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2123 }
2124
2125 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2126                             struct cfg80211_deauth_request *req)
2127 {
2128         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2129 }
2130
2131 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2132                               struct cfg80211_disassoc_request *req)
2133 {
2134         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2135 }
2136
2137 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2138                                struct cfg80211_ibss_params *params)
2139 {
2140         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2141 }
2142
2143 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2144 {
2145         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2146 }
2147
2148 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2149                                     int rate[IEEE80211_NUM_BANDS])
2150 {
2151         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2152
2153         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2154                sizeof(int) * IEEE80211_NUM_BANDS);
2155
2156         return 0;
2157 }
2158
2159 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2160 {
2161         struct ieee80211_local *local = wiphy_priv(wiphy);
2162         int err;
2163
2164         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2165                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2166
2167                 if (err)
2168                         return err;
2169         }
2170
2171         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2172                 err = drv_set_coverage_class(local, wiphy->coverage_class);
2173
2174                 if (err)
2175                         return err;
2176         }
2177
2178         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2179                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2180
2181                 if (err)
2182                         return err;
2183         }
2184
2185         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2186                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2187                         return -EINVAL;
2188                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2189         }
2190         if (changed & WIPHY_PARAM_RETRY_LONG) {
2191                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2192                         return -EINVAL;
2193                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2194         }
2195         if (changed &
2196             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2197                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2198
2199         return 0;
2200 }
2201
2202 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2203                                   struct wireless_dev *wdev,
2204                                   enum nl80211_tx_power_setting type, int mbm)
2205 {
2206         struct ieee80211_local *local = wiphy_priv(wiphy);
2207         struct ieee80211_sub_if_data *sdata;
2208
2209         if (wdev) {
2210                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2211
2212                 switch (type) {
2213                 case NL80211_TX_POWER_AUTOMATIC:
2214                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2215                         break;
2216                 case NL80211_TX_POWER_LIMITED:
2217                 case NL80211_TX_POWER_FIXED:
2218                         if (mbm < 0 || (mbm % 100))
2219                                 return -EOPNOTSUPP;
2220                         sdata->user_power_level = MBM_TO_DBM(mbm);
2221                         break;
2222                 }
2223
2224                 ieee80211_recalc_txpower(sdata);
2225
2226                 return 0;
2227         }
2228
2229         switch (type) {
2230         case NL80211_TX_POWER_AUTOMATIC:
2231                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2232                 break;
2233         case NL80211_TX_POWER_LIMITED:
2234         case NL80211_TX_POWER_FIXED:
2235                 if (mbm < 0 || (mbm % 100))
2236                         return -EOPNOTSUPP;
2237                 local->user_power_level = MBM_TO_DBM(mbm);
2238                 break;
2239         }
2240
2241         mutex_lock(&local->iflist_mtx);
2242         list_for_each_entry(sdata, &local->interfaces, list)
2243                 sdata->user_power_level = local->user_power_level;
2244         list_for_each_entry(sdata, &local->interfaces, list)
2245                 ieee80211_recalc_txpower(sdata);
2246         mutex_unlock(&local->iflist_mtx);
2247
2248         return 0;
2249 }
2250
2251 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2252                                   struct wireless_dev *wdev,
2253                                   int *dbm)
2254 {
2255         struct ieee80211_local *local = wiphy_priv(wiphy);
2256         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2257
2258         if (!local->use_chanctx)
2259                 *dbm = local->hw.conf.power_level;
2260         else
2261                 *dbm = sdata->vif.bss_conf.txpower;
2262
2263         return 0;
2264 }
2265
2266 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2267                                   const u8 *addr)
2268 {
2269         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2270
2271         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2272
2273         return 0;
2274 }
2275
2276 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2277 {
2278         struct ieee80211_local *local = wiphy_priv(wiphy);
2279
2280         drv_rfkill_poll(local);
2281 }
2282
2283 #ifdef CONFIG_NL80211_TESTMODE
2284 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2285 {
2286         struct ieee80211_local *local = wiphy_priv(wiphy);
2287
2288         if (!local->ops->testmode_cmd)
2289                 return -EOPNOTSUPP;
2290
2291         return local->ops->testmode_cmd(&local->hw, data, len);
2292 }
2293
2294 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2295                                    struct sk_buff *skb,
2296                                    struct netlink_callback *cb,
2297                                    void *data, int len)
2298 {
2299         struct ieee80211_local *local = wiphy_priv(wiphy);
2300
2301         if (!local->ops->testmode_dump)
2302                 return -EOPNOTSUPP;
2303
2304         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2305 }
2306 #endif
2307
2308 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2309                              enum ieee80211_smps_mode smps_mode)
2310 {
2311         const u8 *ap;
2312         enum ieee80211_smps_mode old_req;
2313         int err;
2314
2315         lockdep_assert_held(&sdata->u.mgd.mtx);
2316
2317         old_req = sdata->u.mgd.req_smps;
2318         sdata->u.mgd.req_smps = smps_mode;
2319
2320         if (old_req == smps_mode &&
2321             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2322                 return 0;
2323
2324         /*
2325          * If not associated, or current association is not an HT
2326          * association, there's no need to do anything, just store
2327          * the new value until we associate.
2328          */
2329         if (!sdata->u.mgd.associated ||
2330             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2331                 return 0;
2332
2333         ap = sdata->u.mgd.associated->bssid;
2334
2335         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2336                 if (sdata->u.mgd.powersave)
2337                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2338                 else
2339                         smps_mode = IEEE80211_SMPS_OFF;
2340         }
2341
2342         /* send SM PS frame to AP */
2343         err = ieee80211_send_smps_action(sdata, smps_mode,
2344                                          ap, ap);
2345         if (err)
2346                 sdata->u.mgd.req_smps = old_req;
2347
2348         return err;
2349 }
2350
2351 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2352                                     bool enabled, int timeout)
2353 {
2354         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2355         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2356
2357         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2358             sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2359                 return -EOPNOTSUPP;
2360
2361         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2362                 return -EOPNOTSUPP;
2363
2364         if (enabled == sdata->u.mgd.powersave &&
2365             timeout == local->dynamic_ps_forced_timeout)
2366                 return 0;
2367
2368         sdata->u.mgd.powersave = enabled;
2369         local->dynamic_ps_forced_timeout = timeout;
2370
2371         /* no change, but if automatic follow powersave */
2372         mutex_lock(&sdata->u.mgd.mtx);
2373         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2374         mutex_unlock(&sdata->u.mgd.mtx);
2375
2376         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2377                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2378
2379         ieee80211_recalc_ps(local, -1);
2380         ieee80211_recalc_ps_vif(sdata);
2381
2382         return 0;
2383 }
2384
2385 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2386                                          struct net_device *dev,
2387                                          s32 rssi_thold, u32 rssi_hyst)
2388 {
2389         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2390         struct ieee80211_vif *vif = &sdata->vif;
2391         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2392
2393         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2394             rssi_hyst == bss_conf->cqm_rssi_hyst)
2395                 return 0;
2396
2397         bss_conf->cqm_rssi_thold = rssi_thold;
2398         bss_conf->cqm_rssi_hyst = rssi_hyst;
2399
2400         /* tell the driver upon association, unless already associated */
2401         if (sdata->u.mgd.associated &&
2402             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2403                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2404
2405         return 0;
2406 }
2407
2408 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2409                                       struct net_device *dev,
2410                                       const u8 *addr,
2411                                       const struct cfg80211_bitrate_mask *mask)
2412 {
2413         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2414         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2415         int i, ret;
2416
2417         if (!ieee80211_sdata_running(sdata))
2418                 return -ENETDOWN;
2419
2420         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2421                 ret = drv_set_bitrate_mask(local, sdata, mask);
2422                 if (ret)
2423                         return ret;
2424         }
2425
2426         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2427                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2428                 int j;
2429
2430                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2431                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2432                        sizeof(mask->control[i].mcs));
2433
2434                 sdata->rc_has_mcs_mask[i] = false;
2435                 if (!sband)
2436                         continue;
2437
2438                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2439                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2440                                 sdata->rc_has_mcs_mask[i] = true;
2441                                 break;
2442                         }
2443         }
2444
2445         return 0;
2446 }
2447
2448 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2449                                     struct ieee80211_sub_if_data *sdata,
2450                                     struct ieee80211_channel *channel,
2451                                     unsigned int duration, u64 *cookie,
2452                                     struct sk_buff *txskb,
2453                                     enum ieee80211_roc_type type)
2454 {
2455         struct ieee80211_roc_work *roc, *tmp;
2456         bool queued = false;
2457         int ret;
2458
2459         lockdep_assert_held(&local->mtx);
2460
2461         if (local->use_chanctx && !local->ops->remain_on_channel)
2462                 return -EOPNOTSUPP;
2463
2464         roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2465         if (!roc)
2466                 return -ENOMEM;
2467
2468         roc->chan = channel;
2469         roc->duration = duration;
2470         roc->req_duration = duration;
2471         roc->frame = txskb;
2472         roc->type = type;
2473         roc->mgmt_tx_cookie = (unsigned long)txskb;
2474         roc->sdata = sdata;
2475         INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2476         INIT_LIST_HEAD(&roc->dependents);
2477
2478         /* if there's one pending or we're scanning, queue this one */
2479         if (!list_empty(&local->roc_list) ||
2480             local->scanning || local->radar_detect_enabled)
2481                 goto out_check_combine;
2482
2483         /* if not HW assist, just queue & schedule work */
2484         if (!local->ops->remain_on_channel) {
2485                 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2486                 goto out_queue;
2487         }
2488
2489         /* otherwise actually kick it off here (for error handling) */
2490
2491         /*
2492          * If the duration is zero, then the driver
2493          * wouldn't actually do anything. Set it to
2494          * 10 for now.
2495          *
2496          * TODO: cancel the off-channel operation
2497          *       when we get the SKB's TX status and
2498          *       the wait time was zero before.
2499          */
2500         if (!duration)
2501                 duration = 10;
2502
2503         ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2504         if (ret) {
2505                 kfree(roc);
2506                 return ret;
2507         }
2508
2509         roc->started = true;
2510         goto out_queue;
2511
2512  out_check_combine:
2513         list_for_each_entry(tmp, &local->roc_list, list) {
2514                 if (tmp->chan != channel || tmp->sdata != sdata)
2515                         continue;
2516
2517                 /*
2518                  * Extend this ROC if possible:
2519                  *
2520                  * If it hasn't started yet, just increase the duration
2521                  * and add the new one to the list of dependents.
2522                  * If the type of the new ROC has higher priority, modify the
2523                  * type of the previous one to match that of the new one.
2524                  */
2525                 if (!tmp->started) {
2526                         list_add_tail(&roc->list, &tmp->dependents);
2527                         tmp->duration = max(tmp->duration, roc->duration);
2528                         tmp->type = max(tmp->type, roc->type);
2529                         queued = true;
2530                         break;
2531                 }
2532
2533                 /* If it has already started, it's more difficult ... */
2534                 if (local->ops->remain_on_channel) {
2535                         unsigned long j = jiffies;
2536
2537                         /*
2538                          * In the offloaded ROC case, if it hasn't begun, add
2539                          * this new one to the dependent list to be handled
2540                          * when the master one begins. If it has begun,
2541                          * check that there's still a minimum time left and
2542                          * if so, start this one, transmitting the frame, but
2543                          * add it to the list directly after this one with
2544                          * a reduced time so we'll ask the driver to execute
2545                          * it right after finishing the previous one, in the
2546                          * hope that it'll also be executed right afterwards,
2547                          * effectively extending the old one.
2548                          * If there's no minimum time left, just add it to the
2549                          * normal list.
2550                          * TODO: the ROC type is ignored here, assuming that it
2551                          * is better to immediately use the current ROC.
2552                          */
2553                         if (!tmp->hw_begun) {
2554                                 list_add_tail(&roc->list, &tmp->dependents);
2555                                 queued = true;
2556                                 break;
2557                         }
2558
2559                         if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2560                                         tmp->hw_start_time +
2561                                         msecs_to_jiffies(tmp->duration))) {
2562                                 int new_dur;
2563
2564                                 ieee80211_handle_roc_started(roc);
2565
2566                                 new_dur = roc->duration -
2567                                           jiffies_to_msecs(tmp->hw_start_time +
2568                                                            msecs_to_jiffies(
2569                                                                 tmp->duration) -
2570                                                            j);
2571
2572                                 if (new_dur > 0) {
2573                                         /* add right after tmp */
2574                                         list_add(&roc->list, &tmp->list);
2575                                 } else {
2576                                         list_add_tail(&roc->list,
2577                                                       &tmp->dependents);
2578                                 }
2579                                 queued = true;
2580                         }
2581                 } else if (del_timer_sync(&tmp->work.timer)) {
2582                         unsigned long new_end;
2583
2584                         /*
2585                          * In the software ROC case, cancel the timer, if
2586                          * that fails then the finish work is already
2587                          * queued/pending and thus we queue the new ROC
2588                          * normally, if that succeeds then we can extend
2589                          * the timer duration and TX the frame (if any.)
2590                          */
2591
2592                         list_add_tail(&roc->list, &tmp->dependents);
2593                         queued = true;
2594
2595                         new_end = jiffies + msecs_to_jiffies(roc->duration);
2596
2597                         /* ok, it was started & we canceled timer */
2598                         if (time_after(new_end, tmp->work.timer.expires))
2599                                 mod_timer(&tmp->work.timer, new_end);
2600                         else
2601                                 add_timer(&tmp->work.timer);
2602
2603                         ieee80211_handle_roc_started(roc);
2604                 }
2605                 break;
2606         }
2607
2608  out_queue:
2609         if (!queued)
2610                 list_add_tail(&roc->list, &local->roc_list);
2611
2612         /*
2613          * cookie is either the roc cookie (for normal roc)
2614          * or the SKB (for mgmt TX)
2615          */
2616         if (!txskb) {
2617                 /* local->mtx protects this */
2618                 local->roc_cookie_counter++;
2619                 roc->cookie = local->roc_cookie_counter;
2620                 /* wow, you wrapped 64 bits ... more likely a bug */
2621                 if (WARN_ON(roc->cookie == 0)) {
2622                         roc->cookie = 1;
2623                         local->roc_cookie_counter++;
2624                 }
2625                 *cookie = roc->cookie;
2626         } else {
2627                 *cookie = (unsigned long)txskb;
2628         }
2629
2630         return 0;
2631 }
2632
2633 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2634                                        struct wireless_dev *wdev,
2635                                        struct ieee80211_channel *chan,
2636                                        unsigned int duration,
2637                                        u64 *cookie)
2638 {
2639         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2640         struct ieee80211_local *local = sdata->local;
2641         int ret;
2642
2643         mutex_lock(&local->mtx);
2644         ret = ieee80211_start_roc_work(local, sdata, chan,
2645                                        duration, cookie, NULL,
2646                                        IEEE80211_ROC_TYPE_NORMAL);
2647         mutex_unlock(&local->mtx);
2648
2649         return ret;
2650 }
2651
2652 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2653                                 u64 cookie, bool mgmt_tx)
2654 {
2655         struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2656         int ret;
2657
2658         mutex_lock(&local->mtx);
2659         list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2660                 struct ieee80211_roc_work *dep, *tmp2;
2661
2662                 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2663                         if (!mgmt_tx && dep->cookie != cookie)
2664                                 continue;
2665                         else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2666                                 continue;
2667                         /* found dependent item -- just remove it */
2668                         list_del(&dep->list);
2669                         mutex_unlock(&local->mtx);
2670
2671                         ieee80211_roc_notify_destroy(dep, true);
2672                         return 0;
2673                 }
2674
2675                 if (!mgmt_tx && roc->cookie != cookie)
2676                         continue;
2677                 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2678                         continue;
2679
2680                 found = roc;
2681                 break;
2682         }
2683
2684         if (!found) {
2685                 mutex_unlock(&local->mtx);
2686                 return -ENOENT;
2687         }
2688
2689         /*
2690          * We found the item to cancel, so do that. Note that it
2691          * may have dependents, which we also cancel (and send
2692          * the expired signal for.) Not doing so would be quite
2693          * tricky here, but we may need to fix it later.
2694          */
2695
2696         if (local->ops->remain_on_channel) {
2697                 if (found->started) {
2698                         ret = drv_cancel_remain_on_channel(local);
2699                         if (WARN_ON_ONCE(ret)) {
2700                                 mutex_unlock(&local->mtx);
2701                                 return ret;
2702                         }
2703                 }
2704
2705                 list_del(&found->list);
2706
2707                 if (found->started)
2708                         ieee80211_start_next_roc(local);
2709                 mutex_unlock(&local->mtx);
2710
2711                 ieee80211_roc_notify_destroy(found, true);
2712         } else {
2713                 /* work may be pending so use it all the time */
2714                 found->abort = true;
2715                 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2716
2717                 mutex_unlock(&local->mtx);
2718
2719                 /* work will clean up etc */
2720                 flush_delayed_work(&found->work);
2721                 WARN_ON(!found->to_be_freed);
2722                 kfree(found);
2723         }
2724
2725         return 0;
2726 }
2727
2728 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2729                                               struct wireless_dev *wdev,
2730                                               u64 cookie)
2731 {
2732         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2733         struct ieee80211_local *local = sdata->local;
2734
2735         return ieee80211_cancel_roc(local, cookie, false);
2736 }
2737
2738 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2739                                            struct net_device *dev,
2740                                            struct cfg80211_chan_def *chandef)
2741 {
2742         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2743         struct ieee80211_local *local = sdata->local;
2744         unsigned long timeout;
2745         int err;
2746
2747         if (!list_empty(&local->roc_list) || local->scanning)
2748                 return -EBUSY;
2749
2750         /* whatever, but channel contexts should not complain about that one */
2751         sdata->smps_mode = IEEE80211_SMPS_OFF;
2752         sdata->needed_rx_chains = local->rx_chains;
2753         sdata->radar_required = true;
2754
2755         mutex_lock(&local->iflist_mtx);
2756         err = ieee80211_vif_use_channel(sdata, chandef,
2757                                         IEEE80211_CHANCTX_SHARED);
2758         mutex_unlock(&local->iflist_mtx);
2759         if (err)
2760                 return err;
2761
2762         timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2763         ieee80211_queue_delayed_work(&sdata->local->hw,
2764                                      &sdata->dfs_cac_timer_work, timeout);
2765
2766         return 0;
2767 }
2768
2769 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2770                              struct ieee80211_channel *chan, bool offchan,
2771                              unsigned int wait, const u8 *buf, size_t len,
2772                              bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2773 {
2774         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2775         struct ieee80211_local *local = sdata->local;
2776         struct sk_buff *skb;
2777         struct sta_info *sta;
2778         const struct ieee80211_mgmt *mgmt = (void *)buf;
2779         bool need_offchan = false;
2780         u32 flags;
2781         int ret;
2782
2783         if (dont_wait_for_ack)
2784                 flags = IEEE80211_TX_CTL_NO_ACK;
2785         else
2786                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2787                         IEEE80211_TX_CTL_REQ_TX_STATUS;
2788
2789         if (no_cck)
2790                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2791
2792         switch (sdata->vif.type) {
2793         case NL80211_IFTYPE_ADHOC:
2794                 if (!sdata->vif.bss_conf.ibss_joined)
2795                         need_offchan = true;
2796                 /* fall through */
2797 #ifdef CONFIG_MAC80211_MESH
2798         case NL80211_IFTYPE_MESH_POINT:
2799                 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2800                     !sdata->u.mesh.mesh_id_len)
2801                         need_offchan = true;
2802                 /* fall through */
2803 #endif
2804         case NL80211_IFTYPE_AP:
2805         case NL80211_IFTYPE_AP_VLAN:
2806         case NL80211_IFTYPE_P2P_GO:
2807                 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2808                     !ieee80211_vif_is_mesh(&sdata->vif) &&
2809                     !rcu_access_pointer(sdata->bss->beacon))
2810                         need_offchan = true;
2811                 if (!ieee80211_is_action(mgmt->frame_control) ||
2812                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2813                         break;
2814                 rcu_read_lock();
2815                 sta = sta_info_get(sdata, mgmt->da);
2816                 rcu_read_unlock();
2817                 if (!sta)
2818                         return -ENOLINK;
2819                 break;
2820         case NL80211_IFTYPE_STATION:
2821         case NL80211_IFTYPE_P2P_CLIENT:
2822                 if (!sdata->u.mgd.associated)
2823                         need_offchan = true;
2824                 break;
2825         case NL80211_IFTYPE_P2P_DEVICE:
2826                 need_offchan = true;
2827                 break;
2828         default:
2829                 return -EOPNOTSUPP;
2830         }
2831
2832         mutex_lock(&local->mtx);
2833
2834         /* Check if the operating channel is the requested channel */
2835         if (!need_offchan) {
2836                 struct ieee80211_chanctx_conf *chanctx_conf;
2837
2838                 rcu_read_lock();
2839                 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2840
2841                 if (chanctx_conf)
2842                         need_offchan = chan != chanctx_conf->def.chan;
2843                 else
2844                         need_offchan = true;
2845                 rcu_read_unlock();
2846         }
2847
2848         if (need_offchan && !offchan) {
2849                 ret = -EBUSY;
2850                 goto out_unlock;
2851         }
2852
2853         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2854         if (!skb) {
2855                 ret = -ENOMEM;
2856                 goto out_unlock;
2857         }
2858         skb_reserve(skb, local->hw.extra_tx_headroom);
2859
2860         memcpy(skb_put(skb, len), buf, len);
2861
2862         IEEE80211_SKB_CB(skb)->flags = flags;
2863
2864         skb->dev = sdata->dev;
2865
2866         if (!need_offchan) {
2867                 *cookie = (unsigned long) skb;
2868                 ieee80211_tx_skb(sdata, skb);
2869                 ret = 0;
2870                 goto out_unlock;
2871         }
2872
2873         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2874                                         IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2875         if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2876                 IEEE80211_SKB_CB(skb)->hw_queue =
2877                         local->hw.offchannel_tx_hw_queue;
2878
2879         /* This will handle all kinds of coalescing and immediate TX */
2880         ret = ieee80211_start_roc_work(local, sdata, chan,
2881                                        wait, cookie, skb,
2882                                        IEEE80211_ROC_TYPE_MGMT_TX);
2883         if (ret)
2884                 kfree_skb(skb);
2885  out_unlock:
2886         mutex_unlock(&local->mtx);
2887         return ret;
2888 }
2889
2890 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2891                                          struct wireless_dev *wdev,
2892                                          u64 cookie)
2893 {
2894         struct ieee80211_local *local = wiphy_priv(wiphy);
2895
2896         return ieee80211_cancel_roc(local, cookie, true);
2897 }
2898
2899 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2900                                           struct wireless_dev *wdev,
2901                                           u16 frame_type, bool reg)
2902 {
2903         struct ieee80211_local *local = wiphy_priv(wiphy);
2904         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2905
2906         switch (frame_type) {
2907         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2908                 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2909                         struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2910
2911                         if (reg)
2912                                 ifibss->auth_frame_registrations++;
2913                         else
2914                                 ifibss->auth_frame_registrations--;
2915                 }
2916                 break;
2917         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2918                 if (reg)
2919                         local->probe_req_reg++;
2920                 else
2921                         local->probe_req_reg--;
2922
2923                 if (!local->open_count)
2924                         break;
2925
2926                 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2927                 break;
2928         default:
2929                 break;
2930         }
2931 }
2932
2933 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2934 {
2935         struct ieee80211_local *local = wiphy_priv(wiphy);
2936
2937         if (local->started)
2938                 return -EOPNOTSUPP;
2939
2940         return drv_set_antenna(local, tx_ant, rx_ant);
2941 }
2942
2943 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2944 {
2945         struct ieee80211_local *local = wiphy_priv(wiphy);
2946
2947         return drv_get_antenna(local, tx_ant, rx_ant);
2948 }
2949
2950 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2951 {
2952         struct ieee80211_local *local = wiphy_priv(wiphy);
2953
2954         return drv_set_ringparam(local, tx, rx);
2955 }
2956
2957 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2958                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2959 {
2960         struct ieee80211_local *local = wiphy_priv(wiphy);
2961
2962         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2963 }
2964
2965 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2966                                     struct net_device *dev,
2967                                     struct cfg80211_gtk_rekey_data *data)
2968 {
2969         struct ieee80211_local *local = wiphy_priv(wiphy);
2970         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2971
2972         if (!local->ops->set_rekey_data)
2973                 return -EOPNOTSUPP;
2974
2975         drv_set_rekey_data(local, sdata, data);
2976
2977         return 0;
2978 }
2979
2980 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2981 {
2982         u8 *pos = (void *)skb_put(skb, 7);
2983
2984         *pos++ = WLAN_EID_EXT_CAPABILITY;
2985         *pos++ = 5; /* len */
2986         *pos++ = 0x0;
2987         *pos++ = 0x0;
2988         *pos++ = 0x0;
2989         *pos++ = 0x0;
2990         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2991 }
2992
2993 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2994 {
2995         struct ieee80211_local *local = sdata->local;
2996         u16 capab;
2997
2998         capab = 0;
2999         if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
3000                 return capab;
3001
3002         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3003                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3004         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3005                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3006
3007         return capab;
3008 }
3009
3010 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3011                                        u8 *peer, u8 *bssid)
3012 {
3013         struct ieee80211_tdls_lnkie *lnkid;
3014
3015         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3016
3017         lnkid->ie_type = WLAN_EID_LINK_ID;
3018         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3019
3020         memcpy(lnkid->bssid, bssid, ETH_ALEN);
3021         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3022         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3023 }
3024
3025 static int
3026 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3027                                u8 *peer, u8 action_code, u8 dialog_token,
3028                                u16 status_code, struct sk_buff *skb)
3029 {
3030         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3031         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3032         struct ieee80211_tdls_data *tf;
3033
3034         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3035
3036         memcpy(tf->da, peer, ETH_ALEN);
3037         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3038         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3039         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3040
3041         switch (action_code) {
3042         case WLAN_TDLS_SETUP_REQUEST:
3043                 tf->category = WLAN_CATEGORY_TDLS;
3044                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3045
3046                 skb_put(skb, sizeof(tf->u.setup_req));
3047                 tf->u.setup_req.dialog_token = dialog_token;
3048                 tf->u.setup_req.capability =
3049                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3050
3051                 ieee80211_add_srates_ie(sdata, skb, false, band);
3052                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3053                 ieee80211_tdls_add_ext_capab(skb);
3054                 break;
3055         case WLAN_TDLS_SETUP_RESPONSE:
3056                 tf->category = WLAN_CATEGORY_TDLS;
3057                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3058
3059                 skb_put(skb, sizeof(tf->u.setup_resp));
3060                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3061                 tf->u.setup_resp.dialog_token = dialog_token;
3062                 tf->u.setup_resp.capability =
3063                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3064
3065                 ieee80211_add_srates_ie(sdata, skb, false, band);
3066                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3067                 ieee80211_tdls_add_ext_capab(skb);
3068                 break;
3069         case WLAN_TDLS_SETUP_CONFIRM:
3070                 tf->category = WLAN_CATEGORY_TDLS;
3071                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3072
3073                 skb_put(skb, sizeof(tf->u.setup_cfm));
3074                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3075                 tf->u.setup_cfm.dialog_token = dialog_token;
3076                 break;
3077         case WLAN_TDLS_TEARDOWN:
3078                 tf->category = WLAN_CATEGORY_TDLS;
3079                 tf->action_code = WLAN_TDLS_TEARDOWN;
3080
3081                 skb_put(skb, sizeof(tf->u.teardown));
3082                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3083                 break;
3084         case WLAN_TDLS_DISCOVERY_REQUEST:
3085                 tf->category = WLAN_CATEGORY_TDLS;
3086                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3087
3088                 skb_put(skb, sizeof(tf->u.discover_req));
3089                 tf->u.discover_req.dialog_token = dialog_token;
3090                 break;
3091         default:
3092                 return -EINVAL;
3093         }
3094
3095         return 0;
3096 }
3097
3098 static int
3099 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3100                            u8 *peer, u8 action_code, u8 dialog_token,
3101                            u16 status_code, struct sk_buff *skb)
3102 {
3103         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3104         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3105         struct ieee80211_mgmt *mgmt;
3106
3107         mgmt = (void *)skb_put(skb, 24);
3108         memset(mgmt, 0, 24);
3109         memcpy(mgmt->da, peer, ETH_ALEN);
3110         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3111         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3112
3113         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3114                                           IEEE80211_STYPE_ACTION);
3115
3116         switch (action_code) {
3117         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3118                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3119                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3120                 mgmt->u.action.u.tdls_discover_resp.action_code =
3121                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3122                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3123                         dialog_token;
3124                 mgmt->u.action.u.tdls_discover_resp.capability =
3125                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3126
3127                 ieee80211_add_srates_ie(sdata, skb, false, band);
3128                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3129                 ieee80211_tdls_add_ext_capab(skb);
3130                 break;
3131         default:
3132                 return -EINVAL;
3133         }
3134
3135         return 0;
3136 }
3137
3138 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3139                                u8 *peer, u8 action_code, u8 dialog_token,
3140                                u16 status_code, const u8 *extra_ies,
3141                                size_t extra_ies_len)
3142 {
3143         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3144         struct ieee80211_local *local = sdata->local;
3145         struct sk_buff *skb = NULL;
3146         bool send_direct;
3147         int ret;
3148
3149         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3150                 return -ENOTSUPP;
3151
3152         /* make sure we are in managed mode, and associated */
3153         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3154             !sdata->u.mgd.associated)
3155                 return -EINVAL;
3156
3157         tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3158                  action_code, peer);
3159
3160         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3161                             max(sizeof(struct ieee80211_mgmt),
3162                                 sizeof(struct ieee80211_tdls_data)) +
3163                             50 + /* supported rates */
3164                             7 + /* ext capab */
3165                             extra_ies_len +
3166                             sizeof(struct ieee80211_tdls_lnkie));
3167         if (!skb)
3168                 return -ENOMEM;
3169
3170         skb_reserve(skb, local->hw.extra_tx_headroom);
3171
3172         switch (action_code) {
3173         case WLAN_TDLS_SETUP_REQUEST:
3174         case WLAN_TDLS_SETUP_RESPONSE:
3175         case WLAN_TDLS_SETUP_CONFIRM:
3176         case WLAN_TDLS_TEARDOWN:
3177         case WLAN_TDLS_DISCOVERY_REQUEST:
3178                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3179                                                      action_code, dialog_token,
3180                                                      status_code, skb);
3181                 send_direct = false;
3182                 break;
3183         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3184                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3185                                                  dialog_token, status_code,
3186                                                  skb);
3187                 send_direct = true;
3188                 break;
3189         default:
3190                 ret = -ENOTSUPP;
3191                 break;
3192         }
3193
3194         if (ret < 0)
3195                 goto fail;
3196
3197         if (extra_ies_len)
3198                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3199
3200         /* the TDLS link IE is always added last */
3201         switch (action_code) {
3202         case WLAN_TDLS_SETUP_REQUEST:
3203         case WLAN_TDLS_SETUP_CONFIRM:
3204         case WLAN_TDLS_TEARDOWN:
3205         case WLAN_TDLS_DISCOVERY_REQUEST:
3206                 /* we are the initiator */
3207                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3208                                            sdata->u.mgd.bssid);
3209                 break;
3210         case WLAN_TDLS_SETUP_RESPONSE:
3211         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3212                 /* we are the responder */
3213                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3214                                            sdata->u.mgd.bssid);
3215                 break;
3216         default:
3217                 ret = -ENOTSUPP;
3218                 goto fail;
3219         }
3220
3221         if (send_direct) {
3222                 ieee80211_tx_skb(sdata, skb);
3223                 return 0;
3224         }
3225
3226         /*
3227          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3228          * we should default to AC_VI.
3229          */
3230         switch (action_code) {
3231         case WLAN_TDLS_SETUP_REQUEST:
3232         case WLAN_TDLS_SETUP_RESPONSE:
3233                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3234                 skb->priority = 2;
3235                 break;
3236         default:
3237                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3238                 skb->priority = 5;
3239                 break;
3240         }
3241
3242         /* disable bottom halves when entering the Tx path */
3243         local_bh_disable();
3244         ret = ieee80211_subif_start_xmit(skb, dev);
3245         local_bh_enable();
3246
3247         return ret;
3248
3249 fail:
3250         dev_kfree_skb(skb);
3251         return ret;
3252 }
3253
3254 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3255                                u8 *peer, enum nl80211_tdls_operation oper)
3256 {
3257         struct sta_info *sta;
3258         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3259
3260         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3261                 return -ENOTSUPP;
3262
3263         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3264                 return -EINVAL;
3265
3266         tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3267
3268         switch (oper) {
3269         case NL80211_TDLS_ENABLE_LINK:
3270                 rcu_read_lock();
3271                 sta = sta_info_get(sdata, peer);
3272                 if (!sta) {
3273                         rcu_read_unlock();
3274                         return -ENOLINK;
3275                 }
3276
3277                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3278                 rcu_read_unlock();
3279                 break;
3280         case NL80211_TDLS_DISABLE_LINK:
3281                 return sta_info_destroy_addr(sdata, peer);
3282         case NL80211_TDLS_TEARDOWN:
3283         case NL80211_TDLS_SETUP:
3284         case NL80211_TDLS_DISCOVERY_REQ:
3285                 /* We don't support in-driver setup/teardown/discovery */
3286                 return -ENOTSUPP;
3287         default:
3288                 return -ENOTSUPP;
3289         }
3290
3291         return 0;
3292 }
3293
3294 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3295                                   const u8 *peer, u64 *cookie)
3296 {
3297         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3298         struct ieee80211_local *local = sdata->local;
3299         struct ieee80211_qos_hdr *nullfunc;
3300         struct sk_buff *skb;
3301         int size = sizeof(*nullfunc);
3302         __le16 fc;
3303         bool qos;
3304         struct ieee80211_tx_info *info;
3305         struct sta_info *sta;
3306         struct ieee80211_chanctx_conf *chanctx_conf;
3307         enum ieee80211_band band;
3308
3309         rcu_read_lock();
3310         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3311         if (WARN_ON(!chanctx_conf)) {
3312                 rcu_read_unlock();
3313                 return -EINVAL;
3314         }
3315         band = chanctx_conf->def.chan->band;
3316         sta = sta_info_get(sdata, peer);
3317         if (sta) {
3318                 qos = test_sta_flag(sta, WLAN_STA_WME);
3319         } else {
3320                 rcu_read_unlock();
3321                 return -ENOLINK;
3322         }
3323
3324         if (qos) {
3325                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3326                                  IEEE80211_STYPE_QOS_NULLFUNC |
3327                                  IEEE80211_FCTL_FROMDS);
3328         } else {
3329                 size -= 2;
3330                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3331                                  IEEE80211_STYPE_NULLFUNC |
3332                                  IEEE80211_FCTL_FROMDS);
3333         }
3334
3335         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3336         if (!skb) {
3337                 rcu_read_unlock();
3338                 return -ENOMEM;
3339         }
3340
3341         skb->dev = dev;
3342
3343         skb_reserve(skb, local->hw.extra_tx_headroom);
3344
3345         nullfunc = (void *) skb_put(skb, size);
3346         nullfunc->frame_control = fc;
3347         nullfunc->duration_id = 0;
3348         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3349         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3350         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3351         nullfunc->seq_ctrl = 0;
3352
3353         info = IEEE80211_SKB_CB(skb);
3354
3355         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3356                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3357
3358         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3359         skb->priority = 7;
3360         if (qos)
3361                 nullfunc->qos_ctrl = cpu_to_le16(7);
3362
3363         local_bh_disable();
3364         ieee80211_xmit(sdata, skb, band);
3365         local_bh_enable();
3366         rcu_read_unlock();
3367
3368         *cookie = (unsigned long) skb;
3369         return 0;
3370 }
3371
3372 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3373                                      struct wireless_dev *wdev,
3374                                      struct cfg80211_chan_def *chandef)
3375 {
3376         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3377         struct ieee80211_local *local = wiphy_priv(wiphy);
3378         struct ieee80211_chanctx_conf *chanctx_conf;
3379         int ret = -ENODATA;
3380
3381         rcu_read_lock();
3382         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3383         if (chanctx_conf) {
3384                 *chandef = chanctx_conf->def;
3385                 ret = 0;
3386         } else if (local->open_count > 0 &&
3387                    local->open_count == local->monitors &&
3388                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3389                 if (local->use_chanctx)
3390                         *chandef = local->monitor_chandef;
3391                 else
3392                         *chandef = local->_oper_chandef;
3393                 ret = 0;
3394         }
3395         rcu_read_unlock();
3396
3397         return ret;
3398 }
3399
3400 #ifdef CONFIG_PM
3401 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3402 {
3403         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3404 }
3405 #endif
3406
3407 struct cfg80211_ops mac80211_config_ops = {
3408         .add_virtual_intf = ieee80211_add_iface,
3409         .del_virtual_intf = ieee80211_del_iface,
3410         .change_virtual_intf = ieee80211_change_iface,
3411         .start_p2p_device = ieee80211_start_p2p_device,
3412         .stop_p2p_device = ieee80211_stop_p2p_device,
3413         .add_key = ieee80211_add_key,
3414         .del_key = ieee80211_del_key,
3415         .get_key = ieee80211_get_key,
3416         .set_default_key = ieee80211_config_default_key,
3417         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3418         .start_ap = ieee80211_start_ap,
3419         .change_beacon = ieee80211_change_beacon,
3420         .stop_ap = ieee80211_stop_ap,
3421         .add_station = ieee80211_add_station,
3422         .del_station = ieee80211_del_station,
3423         .change_station = ieee80211_change_station,
3424         .get_station = ieee80211_get_station,
3425         .dump_station = ieee80211_dump_station,
3426         .dump_survey = ieee80211_dump_survey,
3427 #ifdef CONFIG_MAC80211_MESH
3428         .add_mpath = ieee80211_add_mpath,
3429         .del_mpath = ieee80211_del_mpath,
3430         .change_mpath = ieee80211_change_mpath,
3431         .get_mpath = ieee80211_get_mpath,
3432         .dump_mpath = ieee80211_dump_mpath,
3433         .update_mesh_config = ieee80211_update_mesh_config,
3434         .get_mesh_config = ieee80211_get_mesh_config,
3435         .join_mesh = ieee80211_join_mesh,
3436         .leave_mesh = ieee80211_leave_mesh,
3437 #endif
3438         .change_bss = ieee80211_change_bss,
3439         .set_txq_params = ieee80211_set_txq_params,
3440         .set_monitor_channel = ieee80211_set_monitor_channel,
3441         .suspend = ieee80211_suspend,
3442         .resume = ieee80211_resume,
3443         .scan = ieee80211_scan,
3444         .sched_scan_start = ieee80211_sched_scan_start,
3445         .sched_scan_stop = ieee80211_sched_scan_stop,
3446         .auth = ieee80211_auth,
3447         .assoc = ieee80211_assoc,
3448         .deauth = ieee80211_deauth,
3449         .disassoc = ieee80211_disassoc,
3450         .join_ibss = ieee80211_join_ibss,
3451         .leave_ibss = ieee80211_leave_ibss,
3452         .set_mcast_rate = ieee80211_set_mcast_rate,
3453         .set_wiphy_params = ieee80211_set_wiphy_params,
3454         .set_tx_power = ieee80211_set_tx_power,
3455         .get_tx_power = ieee80211_get_tx_power,
3456         .set_wds_peer = ieee80211_set_wds_peer,
3457         .rfkill_poll = ieee80211_rfkill_poll,
3458         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3459         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3460         .set_power_mgmt = ieee80211_set_power_mgmt,
3461         .set_bitrate_mask = ieee80211_set_bitrate_mask,
3462         .remain_on_channel = ieee80211_remain_on_channel,
3463         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3464         .mgmt_tx = ieee80211_mgmt_tx,
3465         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3466         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3467         .mgmt_frame_register = ieee80211_mgmt_frame_register,
3468         .set_antenna = ieee80211_set_antenna,
3469         .get_antenna = ieee80211_get_antenna,
3470         .set_ringparam = ieee80211_set_ringparam,
3471         .get_ringparam = ieee80211_get_ringparam,
3472         .set_rekey_data = ieee80211_set_rekey_data,
3473         .tdls_oper = ieee80211_tdls_oper,
3474         .tdls_mgmt = ieee80211_tdls_mgmt,
3475         .probe_client = ieee80211_probe_client,
3476         .set_noack_map = ieee80211_set_noack_map,
3477 #ifdef CONFIG_PM
3478         .set_wakeup = ieee80211_set_wakeup,
3479 #endif
3480         .get_et_sset_count = ieee80211_get_et_sset_count,
3481         .get_et_stats = ieee80211_get_et_stats,
3482         .get_et_strings = ieee80211_get_et_strings,
3483         .get_channel = ieee80211_cfg_get_channel,
3484         .start_radar_detection = ieee80211_start_radar_detection,
3485 };